View Single Post
      10-15-2008, 11:34 AM   #20
gio
Captain
50
Rep
628
Posts

Drives:
Join Date: Apr 2008

iTrader: (0)

Quote:
Originally Posted by jbenington86 View Post
yeah they say anywhere from 1-5hp gain
I have yet to see any dyno proof that any air filter or even a full intake adds any hp by itself.
__________________
Waiting on a 2015 M235
Appreciate 0