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DevilDougWS6 · 06-12-2009, 08:19 PM

the y-pipe is not as free flowing as the x-pipe obviously, and the direction of the exhaust running into each other and in a sense "slamming" into each other and not being able to flow out fast enough.

06-12-2009, 08:19 PM	#3
DevilDougWS6 11 Second Club Join Date: Aug 2008 Location: Hagerstown, MD Posts: 1,567 iTrader: (2)	the y-pipe is not as free flowing as the x-pipe obviously, and the direction of the exhaust running into each other and in a sense "slamming" into each other and not being able to flow out fast enough. __________________ 00 T/A NBM 04 Silverado SS - Sold 00 Trans Am WS6 NBM - Sold