Fabspeed Shelby GT500 Sport Catalytic Converters (15-20) (FS.FORD.GT500.SC) 2543 They are tested to work

They are tested to work with ethanol fuels up to E100

shows what our rotors looked like before and the photo below shows the new product

This is due to a change in the design of the factory exhaust system for 2007

smooth precise feel

Fabspeed Shelby GT500 Sport Catalytic Converters (15-20) (FS.FORD.GT500.SC) 2543 They are tested to workThese Shelby GT500 Sport Catalytic Converters are the perfect solution for any street and track focused GT500 owner. Adding significant power and sound, you have the option to go with ultra high performance HJS Catalysts. There isn't much to improve on the intoxicating sound of the GT500 until now. Adding a significant increase in power, tone, and sound, these high flowing Sport Catalytic Converters give unrestricted flow with NO CEL (Check Engine