Originally Posted by generalg
Thanks everyone for the info. I've decided to go with the BMW performance exhaust (muffler) it seems the popular choice among the responses. Aside from doing a complete custom exhaust make over you never know what it will sound like. That could give me more grief than pleasure which I'm not prepared to find out. Cheers!!
good choice! if you find it lacking or not loud enough, then I would do the N55 midpipe swap