ATP GT3076R Internal Wastegate + MBC issue, Can't Surpass 22PSI
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09-24-2012, 06:41 PM
2003 WRX w STI V8
Talking to ATP they say my inlet being 2.5" plus the step down adapter they supplied 3" to 2.5" is causing me the problem.
I honestly don't think its that restrictive..... Thoughts?
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