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Kyle@stillen · 09-27-2007, 10:26 AM

I wouldn't recommend doing a 4" exhaust. You could potentially be sacrificing a pound of boost. You need some back pressure.

09-27-2007, 10:26 AM	#2 (permalink)
Kyle@stillen Supporting Vendor (Gold) iTrader: (1) Join Date: Dec 2005 Posts: 568 Thanks: 0 Thanked 0 Times in 0 Posts	Re: question about s/c and exhaust I wouldn't recommend doing a 4" exhaust. You could potentially be sacrificing a pound of boost. You need some back pressure.