Win A 2018 RTR Spec 3 Mustang Enter Now!
Talk to a Mustang Expert
Mon - Sun, 8:30 AM EST - 11:00 PM EST

3 Days Left for Free Shipping! Get it by Dec 24th available on most items - Details

Kooks 3 in. Off-Road H-Pipe (11-14 GT500 w/ Long Tube Headers)

Market Price $603.99 You Save 12% ($69.79)
Our Price

$534.20 (each)

FREE Shipping
  • Item 398875
  • MPN# 11423400

In Stock Ships same business day. Choose options to add to cart

Features & Details

  • Optimizes Airflow to Boost Power
  • Deep, Supercar Sound
  • Off-Road H-Pipe Design
  • Eliminates Factory Catalytic Converters
  • 3" Mandrel-Bent Tubing
  • 304 Stainless Steel Fabrication
  • Polished Finish
  • Intended for Racing and Off-Road Use Only
  • Designed for Use with Kooks Long Tube Headers
  • Fits 2011-2014 Ford Mustang GT500
Prepare for the Power. The design of the Kooks 3” Off-Road H-Pipe allows for completely uninterrupted airflow, which gives you the best bang for your buck in terms of horsepower. Designed specifically for the Ford Mustang GT500, this H-pipe was made with your engine’s needs in mind.

Acheive That Supercar Sound. With the Kooks Off-Road H-Pipe, you’ll hear the engine come to life with an aggressive growl that will make your racing competitors take notice. The increased airflow will breathe new life into your Mustang, giving it a deep, throaty growl.

Deletes Factory Catalytic Converters. The Kooks Off-Road H Pipe eliminates the limiting stock catalytic converters, opening up a whole new world of possibilities for your 'Stang. This makes it the perfect option for racing and off-road performance.

Premium Materials. Kooks uses only the highest quality, mandrel-bent stainless steel to construct their parts. The Off-Road H-Pipe will be a powerful addition to your supercar that lasts through all your races without ever compromising speed, sound, or horsepower.

Application. The Kooks Off-Road H-Pipe is designed for use with any 2011 to 2014 Ford Mustang GT500, with Kooks Long Tube Headers required.

Important Note. This product is not legal for sale, use, or installation on licensed vehicles in California. This product does not meet CARB compliance.

Fitment: 2011 2012 2013 2014 Details

What's in the Box
  • (1) Off-Road H Pipe
Installation Info
Will it fit my Mustang?
  • GT500 - 11, 12, 13, 14

Requires the Use of Kooks Long Tube Headers.

Customer Photos

You Might Also Like

Q & A

No questions about this product yet.

Ask the First Question

More Products You Might Like


Related Mustang Categories