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-   -   Muffler Size. (https://blazerforum.com/forum/headers-intake-exhaust-10/muffler-size-98499/)

dlamb0726 01-02-2019 09:10 PM
Muffler Size.
 
Help! So I want to cut out my muffler and weld in a glass pack on my 2002 blazer LS .Pre existing pipes are 2.25" ID. What size glass pack do I need to get and are they flared already so they slip on? I can't seem to wrap my head around this!

christine_208 01-02-2019 09:32 PM
Originally Posted by dlamb0726 (Post 700559)
Help! So I want to cut out my muffler and weld in a glass pack on my 2002 blazer LS .Pre existing pipes are 2.25" ID. What size glass pack do I need to get and are they flared already so they slip on? I can't seem to wrap my head around this!
I'd be surprised if those pipes were original as I'm pretty sure even 2" is considered an upgrade from stock. I would guess a muffler shop would be a good place to get advice if not some aftermarket muffler website.

Tom A 01-03-2019 12:14 PM
Exhaust tubing is measured by OD, not ID. Sounds like you have maybe 2-1/2" pipe?

If you buy a 2-1/2" glasspack, it's made to slip over a 2-1/2" OD pipe.


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