Stainless Works 1-7/8-Inch Long Tube Headers with High Flow Catted H-Pipe (11-14 Mustang GT500)Find parts that fit my vehicle

More Horsepower And Torque. Improve the performance of your high powered Shelby GT500 throughout the entire RPM range with a Stainless Works Long Tube Header and Catted Shorty H-Pipe combo kit from AmericanMuscle. This Stainless Works Header and H-Pipe kit will greatly improve your Shelby Mustangs exhaust flow over the restrictive factory manifolds and Mid Pipe to significantly increase your Pony's horsepower and torque.

Superior Construction. Manufactured in the USA from 1-7/8" mandrel bent 304 stainless steel tubing for superior airflow, Stainless Works Long Tube Exhaust Headers are TIG welded and feature a one piece 3/8" thick header flange for added strength and optimal leak-free performance.

Muscle Car Rumble. The included Stainless Works 3" diameter 304 stainless steel high-flow catted H-Pipe not only improves exhaust flow to increase power, but it also adds a deep muscle car rumble to the sound of your Mustangs exhaust with its modern merged "H" crossover design.

Recommended Upgrade. To realize the full power potential that this Long Tube Header and Catted Shorty H-Pipe combo kit has to offer, AmericanMuscle highly recommends a Bama custom tune with a Mustang Handheld Tuner to reprogram the vehicles computer (ECU) for proper operation.

Application. This Stainless Works Long Tube Header and Catted H-Pipe combo kit is specifically designed to fit the 2011 to 2014 Shelby GT500 Mustangs equipped with the supercharged DOHC 32-valve V8 engine.

Technical notes. This Stainless Works product may not be legal for use on pollution controlled motor vehicles; intended for off road use only.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov