Originally Posted by J-Spec Dan
Motorwerks in Commerce for installs.
Buddy of mine knows of a custom exhaust place but they only take referrals.
new to the bmw scene with my '10 e90 335i. been audi/VW before so pardon the noob question as i get up-to-speed.
just installed my cobb. have coils + intercooler waiting for warmer weather. would you suggest motorwerks as well? i'm in detroit area.
pic of audi: