Quote:
Originally Posted by Bboy_Burst
Question: when i had a bcrh (2.0) with stock exhaust, i was making good power. if i use a vibrant rh (2.5), would it require a better exhaust than the stock one since the collector size is bigger?
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You could upgrade the exhaust w/ what you have now since the flange is the same size on both anyways. Same bottleneck on both headers.