Squidbelly wants to know the best way to gut a manifold cat

[s2d4]

Originally Posted by regal

Shive has one of his posts (I think the one on stg2) where he shows how the cat limits timing in both vvt and ignition. Its pretty much common sense, unburnt fuel in the combustion chamber burns and heats the catalyst.

so you are saying he is overheating the cat?
also, what do you mean the stock muffler is a quality piece?