Quote:
Originally Posted by Chuck33079
The hiss comes from the motor itself, so you're just going to have to deal with it if you run test pipes. Even HFCs wont eliminate it completely. And the washer mod is just creating an exhaust leak under your car. Some people like it. Many do not. I'm not sparking that debate again.
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geez with that said, seems like the best bang for the buck is the m2 performance muffler.
So how come it does not hiss with a stock exhaust?