Thread: 2002 GMC Sierra
View Single Post
Old 02-06-2010, 04:54 AM   #10 (permalink)
mikeross
EcoModding Lurker
 
Join Date: Sep 2009
Location: New York
Posts: 53
Thanks: 0
Thanked 1 Time in 1 Post
flowmaster only adds very little to fuel economy. But the thing about it is that it creates that certain sound.
Last edited by mikeross; 02-16-2010 at 08:44 PM..
  Reply With Quote