Stock Duramax Muffler Size

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Jan 5, 2011 | 07:08 PM

#11

TIM Z

11 sec. Truck Mod

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From: OH IO :(

Stock Dmax muffler is 3.5.

Want mine? it was taken off at 500 miles.

Jan 5, 2011 | 07:13 PM

#12

Atomic

Thread Starter

I have a gauge for that

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From: Huntsville, AL

How much would you want for it? I just missed one off ebay for $50 shipped.

How big are stock powerstroke or cummins mufflers?

Jan 5, 2011 | 07:25 PM

#13

SCREAMINXL

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From: aksarben = Nebraska

Stock Cummins is 4" 03+.

Jan 5, 2011 | 07:46 PM

#14

Daryn

Formerly darynC-10/23/10

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From: gonzales louisiana

stick the duramax on there and put a 4" cutout if need be.... DMH cutout that is....

Jan 5, 2011 | 11:45 PM

#15

Atomic

Thread Starter

I have a gauge for that

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From: Huntsville, AL

Already have a cutout off the downpipe, like I said, im just looking for the quietest 4" muffler out there, dont really care what it is or from.

Jan 5, 2011 | 11:57 PM

#16

ap2002

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From: Houston, Texas

If the cummins are 4" then get on craigslists you should find you one there for dirt cheap.

Jan 6, 2011 | 01:23 AM

#17

Mangled03gmc

Baltimore Whore

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From: In a van DOWN BY THE RIVER

Quote:

Originally Posted by ap2002

if the cummins are 4" then get on craigslists you should find you one there for dirt cheap.

yep ..

Jan 10, 2011 | 06:00 PM

#18

05greendmax

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dmaxs are 3.5 the whole way out

Jan 10, 2011 | 06:30 PM

#19

262_NBS

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I wouldn't see it as a restriction considering the Dmax is a 402+ CI motor, gonna have to give up some performance for silence.

Last edited by 262_NBS; Jan 10, 2011 at 06:37 PM.

Jan 13, 2011 | 03:06 AM

#20

xx_ED_xx

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Hell if you were closer to me you could have the one i took off, and they are really quiet

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