Racebred said:the titanium exhausts are illegal, but then again its a matter of you getting caught or not. one of our m3s here had it for a short while, but the resonance at cruising rev is quite a headache.
jack, is your hamann exhaust considered legal? or is it just the tips only
HungryM3 said:its not that loud actually.... it has a really nice sound to it.... i would definitely not say it's loud.... but that's me
MRacer77 said:I don't think that they are loud as well. Do you also have the mid pipes installed on your car as well?