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Re: no back pressure Posted by DivrDon [Email] (#1004) [Profile/Gallery] (more from DivrDon) on Mon, 4 Aug 2008 15:47:15 In Reply to: turbocon, you inspired me..., Austin Underwood, Mon, 4 Aug 2008 12:07:10 Members do not see ads below this line. - Help Keep This Site Online - Signup |
Its amazing what a lack of back pressure can do for you, isn't it? When My '87 had a hole in the downpipe, I'd regularly hit 20psi of boost. Now that's its fixed 12-15 is tops. I guess that's why a 3" pipe is a desirable performance change. To bad we have to pass emissions tests and have to keep the cat.
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