MSOC Forums - View Single Post - Virgin supra owner in need of tuning ideas

alex h · 9th July 2004, 12:12 PM

Usually a 2.5" decat with a 3"cat back can just about keep boost under control, but even then you sometimes need a restrictor plate as the stock wastegate on a j-spec can't control the boost with a free flowing exhaust.

9th July 2004, 12:12 PM	#4
alex h Old Timer Join Date: Sep 2003 Location: East UK Posts: 887	Usually a 2.5" decat with a 3"cat back can just about keep boost under control, but even then you sometimes need a restrictor plate as the stock wastegate on a j-spec can't control the boost with a free flowing exhaust. __________________ Regards Alex H