4" Exhaust
#17
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Join Date: Sep 2006
Location: florida
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i am running 5" from the turbo back about 4 foot, then runs into a 5" inlet dual 6" outlet y pipe, then 6 " out both sides with no muffler, and this is no louder then a stock exhaust with the windows up. with the windows down on the other hand, this will blow your mind. i set off car alarms and turn semi's heads. now for the mbrp, my dad is running that on his truck. he left the "cat" (gutted and welded back together) on, and told them to keep the muffler off, and his sounds real nice. 4" downpipe, then 5" after the "cat", and once again, no louder inside with the windows up, but he can turn some heads.
#18
#19
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Join Date: Nov 2005
Location: Land of milk and honey.
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I have a 4" turbo back strait piped. no droan. make sure your tailpipe extends a few inches past the edge of the bed and keep it high and tight to the fender. The droan seems to happen when the outlet is under the bed.
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