Quote:
Originally Posted by themyst
You do have a 135i though, you don't have the big resonator that I do on the E90. If you cut your secondary cats you may be in for a loud surprise  I know just downpipes on stock exhaust made my 135i a bit louder. Downpipes on my E90 did absolutely nothing in terms of sound. |
Thanks for the heads up, i'm not really looking for anything louder. As far as the exhaust goes, the car is almost perfect for what i want.