i have cold air intake on it...and i take my car to the track and it sounds great with the intake on my supercharger, she wistles and wines hard. i guess for "intemidation??" hard to find some mods for this generation of GP's. only exhaust i can find is mufflers :\ i was the whole catback...and my tires....LMAO, low-pros, so yeah my tires are defeinatly unsafe!!!