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stilov · 06-15-2015, 01:09 PM

interesting... it seems if you buy an IPD plenum they say you need to use the 74mm TB, but I'm wondering if the 74mm TB is a direct bolt on.

My 996 is running 1.55 bar on bigger turbos, so I'm not worried about de-compressing.

06-15-2015, 01:09 PM	#3
stilov Registered User Join Date: Jul 2013 Location: Allen, TX Posts: 95	interesting... it seems if you buy an IPD plenum they say you need to use the 74mm TB, but I'm wondering if the 74mm TB is a direct bolt on. My 996 is running 1.55 bar on bigger turbos, so I'm not worried about de-compressing.