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1M Fan · 12-20-2011, 03:17 PM

So, would an X or H pipe help if it is installed in front of the secondary cats? I haven't looked up there, but it can't be that hard to install or cost too much.

12-20-2011, 03:17 PM	#40
1M Fan SMSgt 11 Rep 239 Posts Drives: AW 1M Coupe Join Date: Dec 2010 Location: USA, TN iTrader: (0) Garage List 1012 F150 [0.00] 1971 Chevrolet Nova [0.00] 2011 1M [0.00]	So, would an X or H pipe help if it is installed in front of the secondary cats? I haven't looked up there, but it can't be that hard to install or cost too much.
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