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xx_ED_xx · 11-29-2010, 02:26 PM

What kills me is why cant the factory use a quality single cat per manifold setup.

11-29-2010, 02:26 PM	#12
xx_ED_xx Drives: 04 Silverado Join Date: Jun 2010 Location: Floriduh! Posts: 1,113	What kills me is why cant the factory use a quality single cat per manifold setup.