View Single Post
      02-27-2013, 01:52 PM   #45
smmmurf
Colonel
 
Drives: 2009 M3 Sedan 6MT
Join Date: Feb 2008
Location: Pleasanton, CA

Posts: 2,055
iTrader: (7)

Quote:
Originally Posted by JAM3S View Post
The decrease in back pressure doesnt effect performance??
The catalytic converters are the main source of backpressure in the stock system
__________________

M3 Sedan LCI - AW/Black - 6MT - no moonroof - no folding seats - RAC RG63 - clear bra by Omega Werks
smmmurf is offline  
0
Reply With Quote