Quote:
Originally Posted by phredden
Regarding exhausts, my understanding is that PCA production classes list exhausts as "free". My exhaust retains two cats and easily passes emissions, so I can't imagine there'd be an issue. As far as I know this is also the case with SCCA, and certainly is with COM, the TT sponsors.
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From SCCA rules (13.10.A):
"Modifications of any type, including additions to or removal of,
the catalytic converters, thermal reactors, or any other pollution
control devices in the exhaust system are not allowed and the
system must be operable. Replacement catalytic converters must
be OE."
None of the cats can be messed with, even if you still have others that are operable and/or you can still pass emissions.
I think someone has asked the SCCA for some clarification on exactly what you can legally do with system such as the Cayman's.