Thread: Cat back exhaust
View Single Post
Old Mar 13, 2003 | 04:55 AM
  #4  
WhiteRice's Avatar
WhiteRice
Senior Member
 
Joined: Jun 2002
Posts: 967
Likes: 0
From: Denver, CO
Default
2 1/2 is fine for most turbo applications.......unless you're running serious.....17+ PSI. THen go 3"
Reply
0