View Single Post
      04-24-2013, 09:16 PM   #1371
trsaz23
New Member
trsaz23's Avatar
United_States
0
Rep
18
Posts

Drives: 2010 335d
Join Date: Dec 2012
Location: Heber City, Utah

iTrader: (0)

I've always heard 4" for V-8, 3" for 6's . Can't remember who said it, but it seemed like if you went too big you actually lose power, and yes back pressure does play into it
__________________
"Democracy is the art and science of running the circus from the monkey cage."