Installation of long tube headers will require a custom tune to prevent damage to your vehicle. If you already have a custom tune on your Mustang, please consult with your tuner prior to installation and operating your Mustang.
Benefits
Made In The USA
Stock Bolt Pattern
Increases Performance
Improves Exhaust Flow
Features
Round Port
1-3/4" Primary Tubes
Green Catted Mid-Pipe
304 Stainless Steel Tubing
What's in the Box
(2) 1 3/4" Long Tube Headers
(1) Catted X-Pipe
(2) Clamps
Kooks Long Tube Headers w/ Green Catted X-Pipe - GT500 Add more horsepower and torque to your force inducted 2011-2014 Mustang GT500 with a set of Kooks 1 3/4" stainless headers with catted x-pipe! Featuring 304 stainless steel, mandrel-bent 1 3/4" tubing, these Kooks long tube headers merge into 3" collectors for maximum flow. Utilizing the provided catted extension pipes will allow you to connect your factory exhaust to the headers for an easy step-down transition. The catalytic converters included with these headers are from the Kooks line of "Green" cats which are designed and manufactured specifically for forced induction applications. To ease the installation process, Kooks provides high-quality, Cometic manifold gaskets, Stage 8 locking header bolts, and collector hardware! An 8" front O2 sensor extension is included to save you time and money. Kooks builds all of its products In the USA to the highest standard, making them one of the best long tube headers you can buy for your S197! Ensure the 5.4/5.8 engine in your 2011-2014 S197 Mustang breathes freely with this premium set of long tube headers and x-pipe from Kooks!
Kooks - Get Kookin with Kooks
Kooks Custom headers has been making quality custom headers since 1962. Kooks Headers is a family owned and operated company which has prided itself on making the highest, most horsepower production header and exhaust systems for your Mustang & SVT Lightning. From drag to circle track, road racing, motorcycle, and even offshore boats, Kook’s Headers has helped set records and win races. Some of the biggest and most dominant names in NHRA, ADRL, IHRA, NMCA, NMRA, NASCAR, SCCA, and NASA and continue to run Kook’s headers and win championships.
WARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov
