Quote:
Originally Posted by mav1178
If you are talking about the back end of the front pipe where it bolts to the exhaust, Berk is correct.
Part of the problem with replacing exhaust components piece by piece is the fact that every manufacturer will assume you are using stock everything else...
but my question is: what are you doing where 2.38" > 2.5" makes such a huge power difference? I've done car stuff for 20+ years and small changes downstream of the headers don't make a single difference.
I can purposely misalign a gasket on the exhaust to create some minor turbulence and it won't make any difference on a dyno.
-alex
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Exactly the reason why I, although a bit disappointed, am just going to chalk it up to not having done due diligence and sought out feedback from owners. My situation is a little different as I have a turbo system going on the car soon so exhaust diameter can make a pretty significant difference. But I only plan to run around the 270 whp neighborhood so I won't be choking anything up. If I could go back in time I would have opted for JDL's one piece OP/FP but I'm not about to have even more sunken costs and deal with the return hassles. It is noticeably cheaper than most HFC options so I got what I paid for.