Rich911sc Posted September 24, 2012 Share Posted September 24, 2012 Hi, I have read in the PCS rule book about "not exceeding 1.5" for OD on headers for 3.2L engine. This is a very small OD for the 3.2L and requires a 1/4" material to fit up properly... Making the headers tinny sounding and their longevity questionable. I am reading this correctly.. The normal size headers for the 3.2L is 1 5/8" or 1 3/4" OD.... Can anyone comment or confirm my understanding? Thanks Quote Link to comment Share on other sites More sharing options...
JSG1901 Posted September 24, 2012 Share Posted September 24, 2012 Sorry I can't speak for PCS (somebody else may be able to), but for GTS you can do whatever you like. Yay GTS! Quote Link to comment Share on other sites More sharing options...
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