Originally Posted by PiZauL
From first hand experience on my E90 325i, I can confirm that a resonator delete does nothing with the stock muffler on. But when pairing it with an aftermarket muffler, it does change the sound a bit.
Thanks bro +1
2007 328 Jet black||M3 rear bumper|LED license plate|220M 19's staggered|Redlines|carbon fiber wrapped interior|