Ipipe?
03-21-2007 | 12:22 AM
#1
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From: Orange County, CA
Ipipe? I have an 00 SS A4, and i unbolted the ipipe from the stock headers.
Will i run into any problems and i do have my cats in still... both are working just fine.
Will i have to worry about valves or back pressure
Will i run into any problems and i do have my cats in still... both are working just fine.
Will i have to worry about valves or back pressure
03-21-2007 | 02:09 AM
#3
No and no. I hope the I-pipe was attached to your stock catted Y-pipe, and not the headers. 
BAck pressure is not an issue, however, you are gonna have sucky scavenging with stock manifolds and the cats removed.
BAck pressure is not an issue, however, you are gonna have sucky scavenging with stock manifolds and the cats removed.
