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Turbo exhaust help Pics please

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Old 01-04-2012, 09:02 PM
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Originally Posted by Half-bred
Thanksfor the Pics the only down side to mine is that the DP is 3" V-band would it help or benefit if I went from the 3" to the 4" exhaust under the cab?
It would help more if it was at the turbo, pressure differential is king!

Btw, my flange was a T-6
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Old 01-04-2012, 09:46 PM
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Originally Posted by graysilverado5.3
3.5" DP, 3.5" cut out, then connected to a 3.5" stock dmax exhaust.
I have the same setup minus the cut out. I got my duramax exhaust from a muffler shop for about $100 installed.
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Old 02-12-2012, 08:42 AM
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I'm interested. Post up some more pictures guys and sound clips too if you have them.
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Old 02-12-2012, 03:34 PM
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Mine was pretty basic. 3.5" downpipe into 4" with a couple curves to clear the crossmembers into a 4" magnaflow with turndown. 4" is pretty tight.

My DP expands to 4" at the bottom

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I'm downsizing to a 3.5" exhaust.
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Old 02-13-2012, 05:34 AM
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Originally Posted by black04
Mine was pretty basic. 3.5" downpipe into 4" with a couple curves to clear the crossmembers into a 4" magnaflow with turndown. 4" is pretty tight.

My DP expands to 4" at the bottom









I'm downsizing to a 3.5" exhaust.

How does that sound dumped at the axle vs all the way back?
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Old 02-13-2012, 05:53 AM
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where is a good place to get 3.5'' stainless steel piping mandrel bends? i've found plenty that sell 3'' but nothing bigger.
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Old 02-13-2012, 12:50 PM
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Originally Posted by scooter k
How does that sound dumped at the axle vs all the way back?
I am not sure I just had it dumped. I dont really like the magnaflow thats why I am changing it to 3.5" so I could go over the axle.
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Old 02-13-2012, 02:08 PM
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Little engine, little exhaust. 3inch splitting into dual 2.5 .
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Old 02-13-2012, 02:14 PM
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3" downpipes merged into a single 4" dumped right at the trans crossmember
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Old 02-13-2012, 04:24 PM
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Originally Posted by TimDave217
where is a good place to get 3.5'' stainless steel piping mandrel bends? i've found plenty that sell 3'' but nothing bigger.
Contact Gibson Performance. They can help you out
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