4" downpipe dual exhaust
#1
4" downpipe dual exhaust
I am running a LQ4 with a t6 1.10A/R s475, with a goal of 650 to the wheels, with a 4" downpipe and need/want to split it into duals to be able to run it out the back of my truck. It is going to just be a street truck and don't want the noise and drone under the cab. If I split it into dual 2.5" will that kill the flow? I could possibly step it up to 3" but will have to get creative.
#4
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iTrader: (5)
because dual 2.5" = 38% more volume than single 3"
overall though, dual 3" is still about 13% more volume than single 4", so it won't restrict it (particularly if running straight-through mufflers instead of chambered)
#10
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iTrader: (8)
Why not find a take off Duramax exhaust or a take off Denali exhaust and run a Borla muffler? I have the left over Duramax exhaust pipe from my dually with a Borla that's not terribly long on my Yukon and it sounds good with O drone. Where my Y pipe merges is where the Duramax was l
flattened so it would seal around the cut. It was done a year ago and even with my Yukon dropped 5" it isn't a problem.
flattened so it would seal around the cut. It was done a year ago and even with my Yukon dropped 5" it isn't a problem.
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YenkoST
GM Engine & Exhaust Performance
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07-01-2006 11:54 AM