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Serious enthusiasts with big time cars call for big time upgrades. When building a car that, in its stock state, is already in the upper echelon of performance, one must take into account that the aftermarket parts being put in are truly superior to the ones originally installed.
The 6695 Series Long tube headers for the 5.4L GT500 meets these requirements. Given JBA's history and reputation in the header and exhaust industry, along with its renown dedication to the Mustang market, its easy to dream up the possibilities that these long tubes can provide the Shelby. The reality? How does 674 RWHP with our exhaust and tune sound? It makes sense given the relentless R&D, superior materials and patented processes used to make the parts. And while the power gets all the credit, its the quality of the build that keeps the machine running. After retorquing the headers after a few hundred miles, you wont have to worry about them holding up, they're that good. Guaranteed.
Features
- 3/8" thick laser-cut flanges
- Mandrel-bent stainless steel 1-3/4" primary tubes
- Silver ceramic coating for thermal protection
- JBA sealing rings on head flange
- Premium quality hardware included
- 9" collector with Firecone® technology
- 360 degree welds
- Thick and durable collector domes will not bend or break
- Oversized exhaust ports |
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