i ASUME YOU GOT A CIVIC YES? JUST INVEST YOUR MONEY INTO A FULL CAT-BACK EXHAUST SYSTEM. THAT WAY YOU CAN SWAP OUT YOUR EXHAUST SYSTEM IF YOU GET A TICKET. nOW IF YOU WANT A REALLY QUIET EXHAUST, GO WITH THE DC SPORTS TCS EXHAUST SYSTEM, MY BUDDY HAS ONE AND ITS HELLA QUIET EVERYTIME THE RPM GOES UP AND ALSO GAINS POWER AS WELL.

http://www.dcsports.com/tcs.html