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Old 05-25-2016, 10:04 PM   #11
Jusjones
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Join Date: Dec 2015
Drives: 2013 Subaru Brz Satin White Pearl
Location: Pensacola Fl
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I'm running just cat back Ull be pushing 14psi, for best results you need full exhaust , but it does function with just cat back, decent power gains probably 60hp if I had to guess full exhaust and good tune should be 90 hp

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