OEM 5.3 muffler size?

[badfnz]

Does anyone have the actual dimensions of the OEM muffer? I'd measure mine, but it's at the dealership right now. Looking for total length, inlet, outlet, and offset/center. Looking for a weld-in direct replacement.

[Rawyzf]

 

 

 

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[Rawyzf]

Does anyone have the actual dimensions of the OEM muffer? I'd measure mine, but it's at the dealership right now. Looking for total length, inlet, outlet, and offset/center. Looking for a weld-in direct replacement.

Case is 21", 2.75 in and out pipe size. Offset in, center out.

 

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[Mh167002]

I just measured mine as well.

Roughly:

21-1/8" long

12-5/16 wide

7-5/8 tall

Inlet is 2-3/4 centered top to bottom and about 3-7/16 offset to the right looking at it to center of pipe

Outlet is 2-3/4 centered side to side and about 1-5/8 offset up top to bottom center of pipe

[badfnz]

You guys are awesome. Thanks!

[garth schultz]

I wanna put a thrush glass pack on my truck would I be able to just buy the glass pack my exhaust is factory on my truck so I'm thinking I should be able to get just the glass pack but I've been told three different things 

[T-Town-Z]

GM keeps using this 2.75" oddball size on the 5.3 engines.  You wont find any aftermarket mufflers in this diameter. Most people weld on something with a 3.00" pipe size.