My #1 fav mod is the muffler delete. I haven't heard an aftermarket muffler or system that can compare. The way they designed the cats & pipes, pulling the muff out yields an amazing sound! I get tons of compliments on the sound and am asked all the time "what muffler are you running???" Answer is simple: Exactly....what muffler???
We all know that louder feels faster, even if it isn't.
Electric Red / Beige 06 330i Manny Tranny
Sport, Premium, Cold Weather, Muffler Delete, Hardwire Valentine One, Colgan Sport Bra w/logo cutout