Welcome Guest
SHOP BY CATEGORY
SHOP BY BRAND
SHOP BY VEHICLE
Sales Support 877-474-4821
877-260-5452
Call Our Stateside Experts!
Dynomax Exhaust/Kleinn Train Horns Dynomax Exhaust
Dynomax Exhaust/Kleinn Train Horns On Sale
78 Product Groups
Switch to View Products
Kleinn Model HK1 Dual Air Horn Kits
Kleinn Train Horns Pro Blaster Dual Air Horn KitFrom $314.75
- Complete dual air horn package with compressor
- Remote mount intake filter
- Includes mounting brackets and hardware
- California Residents: WARNING
From $314.75
5.0
5.0
(2)
Kleinn Model HK9 Triple Train Horn Kits
Kleinn Train Horns ProBlaster Complete Ultimate Triple Train Horn PackageFrom $1,179.95
- VX6003 high performance air valve
- 150 PSI fully submersible waterproof air compressor
- 3-gallon slim design air tank
- Pressure switch & brass air fittings
- 12 ft high pressure nylon air tubing & Horn Button
- 35' tire inflation coil hose
- California Residents: WARNING
From $1,179.95
5.0
5.0
(1)
Kleinn Model HK8 Triple Air Horn Kits
Kleinn Train Horns Pro Blaster Triple Air Horn KitFrom $1,064.75
- Sealed air comprssor
- Heavy duty air tank
- Nylon tubing
- All necessary fittings and hardware
- Detailed installation instructions
- California Residents: WARNING
From $1,064.75
5.0
5.0
(2)
Kleinn Model HDKIT-230 Triple Train Horns
Kleinn Train Horns Ultimate Train Horn And Onboard Air SystemFrom $1,049.95
- 150 PSI air compressor
- 3 gallon steel air tank with Cortec? interior anti corrosion coating
- Vehicle specific brackets
- Custom fit wiring
- Includes all fittings, air lines and hardware
- California Residents: WARNING
From $1,049.95
5.0
5.0
(1)
Kleinn Onboard Air Systems
Kleinn Train Horns Onboard Air SystemFrom $1,029.95
- 3.0 gallon air tank
- 110/145 PSI pressure switch
- Remote mount intake filter
- Includes mounting brackets and hardware
- California Residents: WARNING
From $1,029.95
3.9
3.9
(20)
Kleinn The Beast 230 Triple Train Horns
Kleinn Train Horns Train Horn The Beast Triple HornFrom $1,329.95
- Black ABS
- Detachable trumpets
- 153 DB output
- Compressor and air tank needed to operate horns
- California Residents: WARNING
From $1,329.95
4.8
4.8
(8)
DynoMax Ultra Flo Cat-Back Exhaust Systems
Dynomax Exhaust Stainless Steel Cat-Back Exhaust SystemFrom $335.99
- Type Of System: Cat-Back Exhaust System
- Retains Catalytic Converter: Yes
- Stainless Steel
- Muffler Included: Yes
- Muffler Material: Stainless Steel
- Mounting: Includes New Hangers
- California Residents: WARNING
From $335.99
4.5
4.5
(80)
Dynomax Exhaust Stainless Steel Axle-Back Exhaust System
Dynomax Exhaust Stainless Steel Axle-Back Exhaust SystemFrom $265.99
- Stainless Steel Axle-Back Exhaust System
- Polished Stainless Steel Tips
- California Residents: WARNING
From $265.99
4.3
4.3
(31)
Dynomax Exhaust Super Turbo Kit Cat-Back System
Dynomax Exhaust Super Turbo Kit Cat-Back SystemFrom $169.99
- Type Of System: Cat-Back Exhaust System
- Retains Catalytic Converter: Yes
- Type Of Material: Aluminized Steel
- Muffler Included: Yes
- Muffler Type: Turbo Style
- Muffler Material: Aluminized Steel
- Mounting: Includes New Hangers
- California Residents: WARNING
From $169.99
3.9
3.9
(252)
Kleinn The Demon Model 730 Train Horns
Kleinn The Demon Model 730 Train HornsFrom $1,599.95
- Model 730 Demon black triple train horn
- Produces a thundering 157.89 decibels
- Max input (psi): 175
- Detachable trumpets
- Kits come as a complete kit with hardware, airline, wiring and detailed instructions
From $1,599.95
5.0
5.0
(2)
Kleinn Model 102 Dual Truck Horns
Kleinn Train Horns Compact Dual HornFrom $72.95
- Dual air horns, 16-3/4 inch and 14-1/2 inch
- 153.5 db output
- Vortex 4 12v electronic air horn solenoid included
- California Residents: WARNING
From $72.95
4.7
4.7
(3)
On Sale
Kleinn ProBlaster Ultimate Triple Train Horn Package
Kleinn ProBlaster Ultimate Triple Train Horn PackageFrom $1,149.99
- Features Model 730 triple spun steel black triple train horn
- 3.0 gallon slim design
- US made air tank
- Five 1/4" NPT, one 3/8" NPT ports
- All steel construction
- Manufactured to SAE J10 and FMVSS 121 standards
- 150 PSI rated system
- Waterproof air compressor
- All hardware included
- California Residents: WARNING
From $1,149.99
Kleinn Ultra BlastMaster Upgrade Kits
Kleinn Train Horns Ultra BlastMaster Upgrade KitFrom $199.95
- Upgrade kit for use with Model 730 Demon
- Two high performance VX6003 valves
- Air lines and fittings
- California Residents: WARNING
From $199.95
5.0
5.0
(3)
Kleinn Model HK4 Chrome Quad Air Horn Kits
Kleinn Train Horns Pro Blaster Quad Air Horn KitFrom $439.95
- Complete Quad Air Horn package with sealed 130 psi compressor
- 1 gallon tank
- Model 141 horns
- Includes mounting brackets and hardware
- California Residents: WARNING
From $439.95
Kleinn Air Horn Wiring Installation Kits
Kleinn Train Horns Wiring KitFrom $29.95
- 5 pin relay
- Fuse and fuse holder
- Wire
- Horn
- Teflon tape
- Wire crimps
- Connector
- Color coded wiring harness for hooking up a compressor
- California Residents: WARNING
From $29.95
Free Gift
Kleinn Model 220 Dual Train Horns
Kleinn Train Horns Dual HornFrom $142.95
- Two black ABS separate mounting train horns
- 154.2 db output
- Includes 2 Vortex 4 12v electronic air horn solenoids
- California Residents: WARNING
From $142.95
4.3
4.3
(3)
DynoMax Ultra Flo Welded Muffler-Back Systems
Dynomax Exhaust Ultra Flo Performance Diesel Cat Back SystemFrom $463.99
- Type Of System: Turbo-Back Exhaust System
- Retains Catalytic Converter: Yes
- Type Of Material: Aluminized Steel
- Outlet Type: Single
- Exit Location: Side
- Exhaust Tip: Stainless Steel
- Muffler Included: Yes
- Muffler Type: Straight Through
- Muffler Material: Stainless Steel
- Mounting: Includes New Hangers
- California Residents: WARNING
From $463.99
5.0
5.0
(4)
Dynomax Exhaust Super Turbo Kit Dual Axle-Back System
Dynomax Exhaust Super Turbo Kit Dual Axle-Back SystemFrom $326.99
- Large internal flow tubes
- Patented flow director design
- Fiberglass matting technology
- Dyno proven to flow up to 700 SCFM
- California Residents: WARNING
From $326.99
Kleinn BlastMaster Air Flow Upgrade Kits
Kleinn Train Horns Blast Master Upgrade KitFrom $99.95
- Push your Kleinn 230 or 630 train horns to the MAX with the "BlastMaster" air flow kit
- The "BlastMaster" includes two extra solenoids, oversized 1/2" air line, and all the other fittings and tubing required to put a separate solenoid on each train horn trumpet
- The individual air horns no longer have to share the air from one solenoid.... boosting the train horn sound output to a mind-blowing level
- California Residents: WARNING
From $99.95
Kleinn Model 130 Triple Air Horns
Kleinn Train Horns Compact Triple HornFrom $102.95
- Three trumpets, 14-1/4 inch, 11-1/2 inch and 9-1/4 inch
- 152.9 db output
- Includes Vortex 4 12v electronic air horn solenoid
- California Residents: WARNING
From $102.95
5.0
5.0
(2)
Kleinn Model 630 Triple Train Horns
Kleinn Train Horns Train Horn Triple TrumpetFrom $399.95
- Chrome plated spun copper
- Three trumpets, 17.5 inch, 15.5 inch and 11.5 inch
- 154 DB output
- Includes Vortex 4 12V electronic train horn solenoid
- California Residents: WARNING
From $399.95
Dynomax Exhaust Super Turbo Kit Dual Cat-Back System
Dynomax Exhaust Super Turbo Kit Dual Cat-Back SystemFrom $424.99
- Type Of System: Cat-Back Exhaust System
- Retains Catalytic Converter: Yes
- Type Of Material: Aluminized Steel
- Muffler Included: Yes
- Muffler Type: Straight Through
- Muffler Material: Stainless Steel
- Mounting: Includes New Hangers
- California Residents: WARNING
From $424.99
Dynomax Exhaust Ultra Flo Welded Cat-Back System
Dynomax Exhaust Ultra Flo Welded Cat-Back SystemFrom $333.99
- Type Of System: Turbo-Back Exhaust System
- Tube Size: 4 in.
- Type Of Material: Stainless Steel
- Exhaust Tip: Stainless Steel
- Muffler Included: Yes
- Muffler Type: Straight Through
- Muffler Material: Stainless Steel
- Mounting: Includes New Hangers
- California Residents: WARNING
From $333.99
3.8
3.8
(10)
Kleinn Train Horns Veloci-Raptor Train Horn Kit
Kleinn Train Horns Veloci-Raptor Train Horn KitFrom $1,299.95
- 100% bolt-on installation
- Steel air tanks manufactured to SAE J10 and FMVSS 121 standards
- Model specific brackets
- Under truck mounting
- Pre-assembled, custom fit wiring harness
- Includes all fiitings, air lines and mounting hardware
- California Residents: WARNING
From $1,299.95
406 Products
Switch to View Product Groups
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Train Horns Complete Dual Truck Air Horn Package with 120 PSI Sealed Air System - HK2
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- Complete Dual Air Horn package with sealed 120 psi compressor and 0.5 gallon tank
- Kit includes: Model 102 Horns, Model 6260 Compressor, 0.5 Gallon Air Tank, Tubing, Cab Switch,Pressure Switch, Safety Valve, Compression Fitting, Drain Cock, Remote Mount Intake Filter, Mounting Brackets and Hardware
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$359.95
$510.99
Only 4 left in Stock ?
Kleinn Train Horns Complete Dual Truck Air Horn Package with 120 PSI Sealed Air System - HK2
Part #: K/AHK2$359.95
$510.99
Only 4 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 4 left in Stock ?- Fitment: Universal Fit
- Complete Dual Air Horn package with sealed 120 psi compressor and 0.5 gallon tank
- Kit includes: Model 102 Horns, Model 6260 Compressor, 0.5 Gallon Air Tank, Tubing, Cab Switch,Pressure Switch, Safety Valve, Compression Fitting, Drain Cock, Remote Mount Intake Filter, Mounting Brackets and Hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Train Horns Complete Dual Air Horn Package with 120 PSI Sealed Air System - HK1
- Fitment: Universal Fit
- Complete Dual Air Horn package with sealed 120 psi compressor and 0.5 gallon tank
- Kit includes: Model 99 Horns, Model 6260 Compressor, 0.5 Gallon Air Tank, Tubing, Cab Switch, Pressure Switch, Safety Valve, Compression Fitting, Drain Cock, Remote Mount Intake Filter, Mounting Brackets and Hardware
- California Residents: WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$314.75
On Backorder
Kleinn Train Horns Complete Dual Air Horn Package with 120 PSI Sealed Air System - HK1
Part #: K/AHK1$314.75
On Backorder
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Complete Dual Air Horn package with sealed 120 psi compressor and 0.5 gallon tank
- Kit includes: Model 99 Horns, Model 6260 Compressor, 0.5 Gallon Air Tank, Tubing, Cab Switch, Pressure Switch, Safety Valve, Compression Fitting, Drain Cock, Remote Mount Intake Filter, Mounting Brackets and Hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Dynomax Evolution Competition Cat-Back Exhaust System - 39516
- Fitment: Direct Fit
- 07-11 Wrangler JK, 4-Door
- 3.8L 6 cylinder engine
- Stainless steel Ultra Flo polished muffler
- 2.5 inch mandrel bent stainless steel tubing
- 2 stainless steel 2.5 inch band clamps
- For off-road use only
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
$307.99
$338.66
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$307.99
$338.66
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Direct Fit
- 07-11 Wrangler JK, 4-Door
- 3.8L 6 cylinder engine
- Stainless steel Ultra Flo polished muffler
- 2.5 inch mandrel bent stainless steel tubing
- 2 stainless steel 2.5 inch band clamps
- For off-road use only
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Dynomax Cat Back Exhaust System - 17309
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Direct Fit
- 4.0L 6 cylinder engine
- 2.5L 4 cylinder engine
- Aluminized tubing and muffler
- Stainless steel tip
- Limited lifetime warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping
$235.99
$433.66
Only 2 left in Stock ?
$235.99
$433.66
Only 2 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Direct Fit
- 4.0L 6 cylinder engine
- 2.5L 4 cylinder engine
- Aluminized tubing and muffler
- Stainless steel tip
- Limited lifetime warranty
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Model 99 Dual Air Horn (Chrome) - 99
- Fitment: Universal Fit
- Dual air horn trumpets, 8 1/2″ and 6 1/2″
- High pitch, painful sound
- Chrome plated zinc alloy air horn trumpets
- Vortex 4 12v electronic air horn solenoid included
- 153.6 db output
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$46.95
$66.99
On Backorder
$46.95
$66.99
On Backorder
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Dual air horn trumpets, 8 1/2″ and 6 1/2″
- High pitch, painful sound
- Chrome plated zinc alloy air horn trumpets
- Vortex 4 12v electronic air horn solenoid included
- 153.6 db output
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Dynomax Installer Turbo Muffler - 17615
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- Installer Turbo
- Muffler
- Universal
- Oval
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
Qualifies for Free Shipping on Orders Over $99
$43.99
$52.77
Only 2 left in Stock ?
$43.99
$52.77
Only 2 left in Stock
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
Only 2 left in Stock ?- Fitment: Universal Fit
- Installer Turbo
- Muffler
- Universal
- Oval
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
SHOP 4WP's HUGE SELECTION
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Onboard Air System and Model 102-1 Air Horn - CANX3-KIT
- Fitment: Direct Fit
- 17-19 Can-Am X3 Maverick
- 100% Bolt-on
- No drilling, cutting or welding
- 150 PSI exclusive Kleinn Waterproof Air Compressor
- Easily inflates UTV and truck tires up to 37"
- 1-gallon steel air tank Made in USA
- Direct fit powder coated mounting brackets
- Model 102-1 Dual Air Horn 153.5 Decibels
- Quick connect tire inflator with storage bag
- Complete with hardware, fittings, air line, wiring and detailed instructions
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$899.95
$1,279.99
On Backorder
$899.95
$1,279.99
On Backorder
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Direct Fit
- 17-19 Can-Am X3 Maverick
- 100% Bolt-on
- No drilling, cutting or welding
- 150 PSI exclusive Kleinn Waterproof Air Compressor
- Easily inflates UTV and truck tires up to 37"
- 1-gallon steel air tank Made in USA
- Direct fit powder coated mounting brackets
- Model 102-1 Dual Air Horn 153.5 Decibels
- Quick connect tire inflator with storage bag
- Complete with hardware, fittings, air line, wiring and detailed instructions
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Onboard Air System - CANX3-OBA
- Fitment: Direct Fit
- 17-19 Can-Am X3 Maverick
- 100% Bolt-on
- No drilling, cutting or welding
- 150 PSI exclusive Kleinn Waterproof Air Compressor
- Easily inflates UTV and truck tires up to 37"
- 1-gallon steel air tank Made in USA
- Direct fit powder coated mounting brackets
- Model 102-1 Dual Air Horn 153.5 Decibels
- Quick connect tire inflator with storage bag
- Complete with hardware, fittings, air line, wiring and detailed instructions
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$729.95
$1,039.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$729.95
$1,039.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Direct Fit
- 17-19 Can-Am X3 Maverick
- 100% Bolt-on
- No drilling, cutting or welding
- 150 PSI exclusive Kleinn Waterproof Air Compressor
- Easily inflates UTV and truck tires up to 37"
- 1-gallon steel air tank Made in USA
- Direct fit powder coated mounting brackets
- Model 102-1 Dual Air Horn 153.5 Decibels
- Quick connect tire inflator with storage bag
- Complete with hardware, fittings, air line, wiring and detailed instructions
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Direct Drive Air Compressor - DD1
- Fitment: Universal Fit
- Instant-on, high flow compressor
- Relay included
- Tubing included
- Mounting hardware included
- Instructions included
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$59.95
$89.99
On Backorder
$59.95
$89.99
On Backorder
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Instant-on, high flow compressor
- Relay included
- Tubing included
- Mounting hardware included
- Instructions included
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn HK1 and HK2 Fitting Kit - FIT12
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK1 or HK2 Problaster Horn Kit
- 1/4" NPT 90/120 PSI pressure switch
- 1/4" NPT 145 PSI safety valve
- 1/4" NPT drain cock
- 1/4" NPT / 1/4" air line elbow compression fitting
- Horn button and juice sealant
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$64.95
$92.29
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$64.95
$92.29
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK1 or HK2 Problaster Horn Kit
- 1/4" NPT 90/120 PSI pressure switch
- 1/4" NPT 145 PSI safety valve
- 1/4" NPT drain cock
- 1/4" NPT / 1/4" air line elbow compression fitting
- Horn button and juice sealant
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn HK3 and HK4 Fitting Kit - FIT34
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK3 or HK4 Problaster Horn Kit
- 1/4" NPT 100/130 PSI pressure switch
- 1/4" NPT 155 PSI safety valve
- 1/4" NPT drain cock
- 1/4" NPT / 1/4" air line elbow compression Fitting
- Horn button and juice sealant
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$64.95
$92.29
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$64.95
$92.29
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK3 or HK4 Problaster Horn Kit
- 1/4" NPT 100/130 PSI pressure switch
- 1/4" NPT 155 PSI safety valve
- 1/4" NPT drain cock
- 1/4" NPT / 1/4" air line elbow compression Fitting
- Horn button and juice sealant
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn HK5 and HK6 Fitting Kit - FIT56
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK5 or HK6 Problaster Horn Kit
- 1/4" NPT 110/145 PSI pressure switch
- 1/4" NPT 175 PSI safety valve
- 1/4" NPT drain cock
- 1/4" NPT / 1/4" air line elbow compression fitting
- Horn button and juice sealant
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$64.95
$92.29
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$64.95
$92.29
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK5 or HK6 Problaster Horn Kit
- 1/4" NPT 110/145 PSI pressure switch
- 1/4" NPT 175 PSI safety valve
- 1/4" NPT drain cock
- 1/4" NPT / 1/4" air line elbow compression fitting
- Horn button and juice sealant
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn HK7 Fitting Kit - FIT7
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK7 Problaster Horn Kit
- 1/4" NPT 110/145 PSI pressure switch
- 1/4" NPT 175 PSI safety valve
- 1/4" NPT drain cock
- 1/4" NPT / 1/4" air line elbow compression fitting
- 1/4" NPT M hex plug
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$64.95
$92.29
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$64.95
$92.29
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK7 Problaster Horn Kit
- 1/4" NPT 110/145 PSI pressure switch
- 1/4" NPT 175 PSI safety valve
- 1/4" NPT drain cock
- 1/4" NPT / 1/4" air line elbow compression fitting
- 1/4" NPT M hex plug
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn HK8 and HK9 Fitting Kit - FIT89
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK8 or HK9 Problaster Horn Kit
- 1/4" NPT 110/145 PSI pressure switch
- 1/4" NPT 175 PSI safety valve
- 1/4" NPT drain cock
- 1/2" NPT/1/2" OD compression fitting
- 1/4" NPT M hex plug
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$79.95
$113.59
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$79.95
$113.59
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK8 or HK9 Problaster Horn Kit
- 1/4" NPT 110/145 PSI pressure switch
- 1/4" NPT 175 PSI safety valve
- 1/4" NPT drain cock
- 1/2" NPT/1/2" OD compression fitting
- 1/4" NPT M hex plug
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn HK9-Slimline Fitting Kit - FIT9SLIM
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK9-SLIMLINE Problaster Horn Kit
- 1/4" NPT 110/145 PSI pressure switch
- 1/4" NPT drain cock
- 3/8" NPT/1/2" OD compression fitting
- 1/4" NPT M hex plug
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$79.95
$113.59
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$79.95
$113.59
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Complete set of fittings for a Kleinn HK9-SLIMLINE Problaster Horn Kit
- 1/4" NPT 110/145 PSI pressure switch
- 1/4" NPT drain cock
- 3/8" NPT/1/2" OD compression fitting
- 1/4" NPT M hex plug
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Underhood Train Horn System - GMTRK-1
- Fitment: Direct Fit
- Model 220 Train Horn
- Underhood train horn system
- Bolt-on
- Plug-and-play
- 10.5" L
- 150 PSI
- 1.0 Gal. air tank
- Sealed air compressor
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$599.95
$849.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$599.95
$849.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Direct Fit
- Model 220 Train Horn
- Underhood train horn system
- Bolt-on
- Plug-and-play
- 10.5" L
- 150 PSI
- 1.0 Gal. air tank
- Sealed air compressor
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn HydroBlast Mounting Bracket - HB-BRKT-JEEP
- Fitment: Universal Fit
- Makes installing the HydroBlast simple and easy in your Jeep Wrangler or Gladiator
- Fits Jeep Wrangler JK / JKU, JL / JLU, JT
- California Residents:WARNING
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$42.95
$60.99
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$42.95
$60.99
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Makes installing the HydroBlast simple and easy in your Jeep Wrangler or Gladiator
- Fits Jeep Wrangler JK / JKU, JL / JLU, JT
- California Residents:WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Train Horns GM Heavy-Duty Train Horn Kit - HDKIT-630
- Fitment: Direct Fit
- Up to 35 inch tires
- Will not work with powered side steps
- 150 PSI air compressor
- 1.17 CFM
- 3 gallon steel air tank with Cortec interior anti corrosion coating
- The Beast Model 230 triple ABS train horn
- Bolt on installation
- Vehicle specific brackets
- Under truck mounting
- Custom Tire inflation kit
- Includes all fittings, air lines and hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$1,099.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$1,099.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Direct Fit
- Up to 35 inch tires
- Will not work with powered side steps
- 150 PSI air compressor
- 1.17 CFM
- 3 gallon steel air tank with Cortec interior anti corrosion coating
- The Beast Model 230 triple ABS train horn
- Bolt on installation
- Vehicle specific brackets
- Under truck mounting
- Custom Tire inflation kit
- Includes all fittings, air lines and hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Train Horns GM Heavy-Duty Train Horn Kit - HDKIT-634
- Fitment: Direct Fit
- 37 inch tires or larger
- Will not work with powered side steps
- 150 PSI air compressor
- 1.66 CFM
- 3 gallon steel air tank with Cortec interior anti corrosion coating
- The Beast Model 230 triple ABS train horn
- Bolt on installation
- Vehicle specific brackets
- Under truck mounting
- Custom Tire inflation kit
- Includes all fittings, air lines and hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$1,139.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$1,139.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Direct Fit
- 37 inch tires or larger
- Will not work with powered side steps
- 150 PSI air compressor
- 1.66 CFM
- 3 gallon steel air tank with Cortec interior anti corrosion coating
- The Beast Model 230 triple ABS train horn
- Bolt on installation
- Vehicle specific brackets
- Under truck mounting
- Custom Tire inflation kit
- Includes all fittings, air lines and hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Train Horns GM Heavy-Duty Train Horn Kit - HDKIT-730
- Fitment: Direct Fit
- Up to 35 inch tires
- Will not work with powered side steps
- 150 PSI air compressor
- 1.17 CFM
- 3 gallon steel air tank with Cortec interior anti corrosion coating
- The Demon Model 730 triple steel train horn
- Bolt on installation
- Vehicle specific brackets
- Under truck mounting
- Custom Includes all fittings, air lines, hardware and tire inflation kit
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$1,199.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$1,199.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Direct Fit
- Up to 35 inch tires
- Will not work with powered side steps
- 150 PSI air compressor
- 1.17 CFM
- 3 gallon steel air tank with Cortec interior anti corrosion coating
- The Demon Model 730 triple steel train horn
- Bolt on installation
- Vehicle specific brackets
- Under truck mounting
- Custom Includes all fittings, air lines, hardware and tire inflation kit
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn GM Heavy-Duty 35-Inch Tire Onboard Air System - HDOBA-6350
- Fitment: Direct Fit
- Up to 35 inch tires
- 150 PSI compressor
- 3.0 gallon air tank
- 110/145 PSI pressure switch
- Remote mount intake filter
- 35 foot tire inflator coil hose with carrying case
- Includes mounting brackets and hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$799.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$799.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Direct Fit
- Up to 35 inch tires
- 150 PSI compressor
- 3.0 gallon air tank
- 110/145 PSI pressure switch
- Remote mount intake filter
- 35 foot tire inflator coil hose with carrying case
- Includes mounting brackets and hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn GM Heavy-Duty 37-Inch Tire Onboard Air System - HDOBA-6450
- Fitment: Direct Fit
- 37 inch tires and larger
- 150 PSI compressor
- 5.0 gallon air tank
- 110/145 PSI pressure switch
- 35 foot tire inflator coil hose with carrying case
- Remote mount intake filter
- Includes mounting brackets and hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$869.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$869.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Direct Fit
- 37 inch tires and larger
- 150 PSI compressor
- 5.0 gallon air tank
- 110/145 PSI pressure switch
- 35 foot tire inflator coil hose with carrying case
- Remote mount intake filter
- Includes mounting brackets and hardware
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Pro Blaster Dual Air Horn Kit - HK-EURO
- Fitment: Universal Fit
- Pro Blaster
- Dual air horn kit
- Dual oscillating ABS Euro tone
- Black (2) Trumpets
- 15.5"/10.5" L
- 150 PSI
- 1.5 Gal. air tank with (5) 1/4" NPT ports
- Sealed air compressor
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping
$399.95
On Backorder
Contact Us for Availability or Alternatives
LOW PRICE GUARANTEE
EASY RETURNS
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
$399.95
On Backorder
Contact Us for Availability or Alternatives
Email me when this product comes in stock
LOW PRICE GUARANTEE
EASY RETURNS
- Fitment: Universal Fit
- Pro Blaster
- Dual air horn kit
- Dual oscillating ABS Euro tone
- Black (2) Trumpets
- 15.5"/10.5" L
- 150 PSI
- 1.5 Gal. air tank with (5) 1/4" NPT ports
- Sealed air compressor
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
4WP PROTECTION PLAN
Our Protection Plan covers your investment above and beyond the manufacturer's coverage. For only 10% more, if your item is damaged, fails or malfunctions, we'll replace it for free!
Sign In Or Create an Account
Reset Password
An email is sent to .
Enter email address to change your password
After you submit your email address, you'll receive an email a link that will let you change your password.
Choose Your Secure Checkout Method
Create An Account
Add to Wishlist
Kleinn Model 101 Dual Air Horn (Black) - 101
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Dual air horns, 7 1/2″ and 10″
- Black XCR2.0 Stealth finish
- Vortex 4 12v electronic air horn solenoid included
- 151.4 db output
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
Qualifies for Free Shipping on Orders Over $99
$72.95
$103.99
In-Stock Ships next business day ?
$72.95
$103.99
In-Stock Ships next business day
?
LOW PRICE GUARANTEE
EASY RETURNS
How to Get it
Free! Curbside & In-Store Pickup: Select A Store Near You
Ship to Home:
In-Stock Ships next business day ?- Fitment: Universal Fit
- Dual air horns, 7 1/2″ and 10″
- Black XCR2.0 Stealth finish
- Vortex 4 12v electronic air horn solenoid included
- 151.4 db output
- California Residents: WARNING + View More Specs - View Less Specs
PROMOTIONS AUTOMATICALLY APPLIED
We Pay the Sales Tax - Memorial Day Sale Weekend At 4WP!
Lowest Price! Guaranteed!
