Stainless Works Long Tube Header Kit (GT145HCATHP) - 2007-14 Shelby GT500 5.4L / 5.8L
Take your 2007–2014 Shelby GT500 to the next level with the Stainless Works Long Tube Header Kit. Proudly made in the USA, these premium headers are built for performance, precision, and power. Featuring 1-7/8” mandrel-bent primary tubes, this system is designed to dramatically increase exhaust flow, improve throttle response, and deliver the aggressive tone your GT500 deserves. Perfect for enthusiasts running Stainless Works exhaust systems.
Each header is handcrafted from 304 stainless steel and TIG welded for superior strength and long-lasting performance. Designed with 3” slip-fit collectors featuring integrated merge spikes, these headers ensure smooth, efficient flow throughout the system. High-flow catalytic converters provide maximum performance while maintaining drivability, and the included lead pipes make for an easy connection to your Stainless Works exhaust. With your choice of H-pipe or X-pipe crossover, this kit offers both power and a tailored exhaust note to suit your preference.
Features
- High-flow catalytic converters for optimized exhaust performance
- Choice of H-pipe or X-pipe crossover for customized tone and balance
- 1-7/8” mandrel-bent primary tubes for maximum horsepower and torque
- 304 stainless steel construction for superior corrosion resistance and durability
- 3” slip-fit collectors with merge spikes for smooth exhaust transition
- Oval exhaust ports designed to match factory cylinder heads
- 3/8” thick flanges for a leak-free, secure seal
- Fully TIG welded for strength, precision, and longevity
- Fits 2007–2014 GT500 models equipped with Stainless Works exhaust systems only
- Lifetime warranty on materials and craftsmanship
Fitment
- 2007 Ford Shelby GT500 5.4L with Stainless Works Exhaust System
- 2008 Ford Shelby GT500 5.4L with Stainless Works Exhaust System
- 2009 Ford Shelby GT500 5.4L with Stainless Works Exhaust System
- 2010 Ford Shelby GT500 5.4L with Stainless Works Exhaust System
- 2011 Ford Shelby GT500 5.4L / 5.8L with Stainless Works Exhaust System
- 2012 Ford Shelby GT500 5.4L / 5.8L with Stainless Works Exhaust System
- 2013 Ford Shelby GT500 5.8L with Stainless Works Exhaust System
- 2014 Ford Shelby GT500 5.8L with Stainless Works Exhaust System
CA Residents: WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov

