Fabspeed 996 GT2 Catbypass Pipes

These Fabspeed catbypass pipes save 25 lbs from the rear end of the car. Perfect for street/race, exploits maximum power. Improved throttle response and more aggressive sports car sound. Used by many Rolex Grand Am Cup racing teams and PCA/POC/DE racers. Easy bolt-on/bolt-off installation; hardware included. Will NOT work with factory mufflers or any other aftermarket 997TT exhaust system._x000B__x000B_NOTE: FOR OFF-ROAD USE ONLY! CEL may come on but car will run great. Optional 02 spacers available to keep C.E.L. off.