View Single Post
      01-30-2013, 03:14 PM   #19
Jizmain
New Member
0
Rep
10
Posts

Drives: E92 M3
Join Date: Nov 2012
Location: Europe

iTrader: (0)

Just keep the full OEM exhaust but replace the first cats with straight pipes. Sounds good but not too loud, best power gains. Oh yeah, also cheap if you know a good welder.