This is indeed the best mod for the e90!
Sounds better in any muffler in my opinion. Sounds bad ass and it's not too loud. Hell for 100$, best mod I've done all year. Extended "props" goes to ScheerSpeed!
montreal jet black -> my dealer didn't say anything too, people actually said it sounds nice! But I own the car, it's not lease.
Damn bro, how come you got your windows smashed?