GMT 900 Trucks General Discussion 2007 - 2013 Trucks | General Discussion

3" tailpipe only

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Old May 8, 2016 | 02:14 PM
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Default 3" tailpipe only

Does anyone offer the muffler back (only) in 3"?
Right side single exit
Stainless would be great but not needed
Need to fab up the rest
Thanks
Dom
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Old May 8, 2016 | 04:01 PM
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Dynomax does.

They sell just a rear section. Walker/tenneco/dynomax are the same people, so I'd look through them. You might have a hard time finding one though, lots of there stuff is on back order right now with their rebate sale going on.

54704 is the part number on summit. I just installed a 3in catback from dynomax a few days ago. Rear section fits in perfect. It says it's stainless, but it's a cheaper stainless and will surface rust over time. I coated mine with high temp paint.
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Old May 8, 2016 | 08:12 PM
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Originally Posted by FFDP
Dynomax does.

They sell just a rear section. Walker/tenneco/dynomax are the same people, so I'd look through them. You might have a hard time finding one though, lots of there stuff is on back order right now with their rebate sale going on.

54704 is the part number on summit. I just installed a 3in catback from dynomax a few days ago. Rear section fits in perfect. It says it's stainless, but it's a cheaper stainless and will surface rust over time. I coated mine with high temp paint.
Thanks but that is for the 14/15 model year
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Old May 8, 2016 | 08:17 PM
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Here is a link to a catback system for a 2009-2013 model year truck, click on the overview > instructions and look at the system diagram. It'll show the same exact part number as have listed.

I just bought the system and got that same piece for my 2012 truck, fits like a glove.

Dynomax Ultra Flo Exhaust Systems 39497 - Free Shipping on Orders Over $99 at Summit Racing


http://static.summitracing.com/globa...structions.pdf


Another one for 143.5in wheel base trucks, crew cab and extended cabs.

http://static.summitracing.com/globa...structions.pdf

Last edited by FFDP; May 8, 2016 at 08:23 PM.
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Old May 8, 2016 | 08:17 PM
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...yet Jegs lists it as 09-15,mines an 07 hmmm
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Old May 8, 2016 | 08:21 PM
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Thanks again will call Dynomax tomorrow.
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Old May 9, 2016 | 03:09 PM
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Dynomax gave me the part #55516
There was even one locally so i grabbed it
Have a 3" aluminum Vibrant muffler coming,gonna fab from there to the Trick downpipe and add a cutout later
Dom
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