Titanium Exhaust Burnt Tips Fits 07-11 Porsche 997 GT3 GT3RS Agency PowerExhaust tips, surprisingly, arent just for looks. Sure, they define how your exhaust appears to anyone checking out your car, and you can tell a stock exhaust from a performance exhaust just from the exhaust tips. But getting the right tips is important. Having a performance exhaust allows your engine to breathe better, pushing hot air out faster and in greater quantities. All of us have seen the burnt rear bumpers or diffusers on cars, titanium