BMW does not sound good straight pipe or not?
I have 2,001 BMW 330i and I want to reduce the scarf off and add instructions. exaust reverberator. Who do this make it sound good or not?
Emissions in the conversion catalyst. / Silencer page. You will be illegal if you change a straight pipe. If your car is at the heart of the city scarf. In too. Pipe rear muffler off. If your car has no screen, please plug vacuum. Not remove or release valve open line. If you check the fire engine. on. forget tips. Where is the. I've seen it done. Not what I want.
BMW E46 M3 CSL straight pipes
