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NoDak Scotty · 05-02-2010, 11:52 AM

Roughly speaking, and I mean BALLPARK...how much HP gain do headers provide? Does the GMPP air cleaner? The Catback exhaust?
I'm not gonna spend 2 grand for 25 hp gain, but 65 hp...that's a diff story.

05-02-2010, 11:52 AM	#37
NoDak Scotty Drives: Suburban/Z-71 CrewCab/1972 442 vert Join Date: Mar 2010 Location: Minot, North Dakota Posts: 34	Roughly speaking, and I mean BALLPARK...how much HP gain do headers provide? Does the GMPP air cleaner? The Catback exhaust? I'm not gonna spend 2 grand for 25 hp gain, but 65 hp...that's a diff story.