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

What muffler you guys using?

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Old Dec 8, 2012 | 05:54 PM
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95greenZ's Avatar
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Default What muffler you guys using?

Wanting to put a 18" Magnaflow in place of the stock muffler and add an exhaust tip. Just wondering which part # will work. I have a welder so gonna do it myself.
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Old Dec 8, 2012 | 07:29 PM
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Get the 3" because the factory pipe is 2.75 unless its a 6.2 then its got a 3.5 inch pipe
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Old Dec 9, 2012 | 10:26 AM
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I love them Corsa direct style mufflers.
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Old Dec 9, 2012 | 12:54 PM
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This is the one i have been running for a while now, its nice MagnaFlow Performance Mufflers 12249 - SummitRacing.com
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Old Dec 9, 2012 | 02:45 PM
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I'm using a 3.5 inch hooker aerochamber
I like it, deep rumble without being to loud
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Old Dec 9, 2012 | 04:47 PM
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none lol
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Old Dec 9, 2012 | 05:06 PM
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Homemade mufflers here.

86E7757C-0453-4FAC-B699-1AB96D123760-830-000000BD36636364.mp4

Last edited by dirt track racer 81; Dec 9, 2012 at 05:33 PM.
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Old Dec 9, 2012 | 06:06 PM
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Dynomax race bullets. 3 inch dual with H pipe dumped at rear axle. Awesome rumble when cruising and it proves its name "race" at full throttle, its loud!
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Old Dec 9, 2012 | 07:36 PM
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Factory 4" Duramax. Sounds great on a gasser.

Lysholm Silverado- Duramax Exhaust - YouTube

Lysholm Silverado- Duramax Exhaust In Cab - YouTube

Last edited by dick_landy; Dec 9, 2012 at 07:45 PM.
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Old Dec 9, 2012 | 08:01 PM
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Originally Posted by dirt track racer 81
Homemade mufflers here.

That sound healthy! Any pics of the mufflers.?
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