get used 330i muffler, then u can do the golf tea mod and your dad wont know for sure, its cheap and little more unrestrictive/bit more sound. $150 or under will get u one.
PE u will wake ur dad up in fury when u start it up every morning, its damn loud at start up.
N51- Perfomance Intake - Performance Exhaust - ESS Tuned - Performance SSK
Last edited by jc5988; 02-20-2013 at 12:32 PM.