Nissan 370Z Forum - View Single Post - GTM Performance Engineering: MHI Twin Turbo Kit Group Buy

airikrankin · 04-22-2013, 02:34 PM

i sent a pm to sam@gtm last week realized it now so i forwarded it to you. id like to be on the list. is there a huge benefit for the ewg over the iwg? with the ewg would that remove the need for test pipes? or do the stock cats stay in place?

04-22-2013, 02:34 PM	#157 (permalink)
airikrankin Base Member Join Date: Jan 2012 Location: pittsburgh Posts: 115 Drives: 12 370z Rep Power: 13	i sent a pm to sam@gtm last week realized it now so i forwarded it to you. id like to be on the list. is there a huge benefit for the ewg over the iwg? with the ewg would that remove the need for test pipes? or do the stock cats stay in place?