Test pipe size?
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Joined: Jun 2004
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From: NM, United States
Test pipe size?
Hey everyone, I have a 01 Integra type R with a JDM style Peak performance 4-1 header and a Apexi N1 cat back exhaust. I was just wondering what size I would need on the inlet/outlet of a test pipe? I think it would either be 2.25 or 2.5 im not sure? Please help me out?
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