View Single Post
      07-27-2017, 06:32 AM   #3
Who's on first
Brigadier General
Who's on first's Avatar
United_States
2464
Rep
3,803
Posts

Drives: A-10C
Join Date: Feb 2015
Location: Maryland

iTrader: (2)

Quote:
Originally Posted by BJJfrog View Post
I don't think you can. At least not legit from BMW.

You can fit an M Performance exhaust though. Power difference is minimal and all top end if you look at dyno graphs.
There is ZERO power difference with MPE, don?t fool yourself.

The ZCP Exhaust will sound slightly better.

You?ll need an aftermarket tune for the rest you?re looking for.
Appreciate 1