Thread: 2007 Wrx Vf39
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Old 01-24-2009, 04:24 PM   #10
Scooby Newbie
Member#: 89493
Join Date: Jun 2005
Chapter/Region: NWIC
Location: Kirkland, WA
2001 330ci


I just wanted something quieter than the SPT catback that was on there when I bought it. I also don't really have goals for big power, my goal is to get it to run safely, 22 psi doesn't sound like a safe boost number to me. I doubt that the difference of .5" in the catback makes much difference in power. From what I read the biggest restriction in the stock exhaust is in the cats in the downpipe.
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