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elias_799 · 07-02-2009, 11:27 PM

on a na motor you want a little bit of back pressure. if you just run open headers on a na motor you will loose quite a bit of low end. if you have a turbo car that is a different story, just run open downpipe for max hp tq

07-02-2009, 11:27 PM	#3
elias_799 TECH Fanatic 2002 Chevrolet Camaro Trader Rating: 3 Join Date: Oct 2008 Location: toronto ontario canada Posts: 1,220	on a na motor you want a little bit of back pressure. if you just run open headers on a na motor you will loose quite a bit of low end. if you have a turbo car that is a different story, just run open downpipe for max hp tq