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grayharville · 12-22-2010, 03:25 PM

I would also be interested in this, Im about to get a GMC 5.3 with the 4 cylinder mode too

12-22-2010, 03:25 PM	#2
grayharville ^^who I am^^ what I say> Join Date: Jun 2009 Location: Murchison, Tx Posts: 992	Re: exhaust I would also be interested in this, Im about to get a GMC 5.3 with the 4 cylinder mode too __________________ 70 chevy LWB 350/TH350 Barn find (AKA the 70) http://www.67-72chevytrucks.com/vboa...d.php?t=406364 East Tx Squares