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Back to exhaust I have my secondary cats cut out and the CA Performance test pipes going to the stock NPP muffler to quiet it down, I believe that dropped my boost by about 1psi when I got it tuned. I'm at 600whp, when I want more power one day I will definitely buy headers.
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2016 Camaro SS- , D1SC, 4.38" pulley, LT4 HPFP
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