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GM 6.2L OEM Exhaust

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Old Dec 17, 2015 | 03:14 PM
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GatorVader's Avatar
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Question GM 6.2L OEM Exhaust
Does anyone know why GM went with the single 3" inlet / dual 2.25" outlet exhaust on the 6.2L? Would it really matter if I changed it to a single 3" inlet / single 3" outlet?
 
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Old Dec 18, 2015 | 04:22 PM
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Mayhem's Avatar
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Originally Posted by GatorVader
Does anyone know why GM went with the single 3" inlet / dual 2.25" outlet exhaust on the 6.2L? Would it really matter if I changed it to a single 3" inlet / single 3" outlet?
My 93 has that single to dual on it but my 94 had the single 3 on it I suspect it was cheaper to manufacture it with less pipe is my guess.
 
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Old Dec 18, 2015 | 10:19 PM
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On my 89 it has a 4" exhaust and a dual 2.5 into single 3 into 4" set up.
 
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Old May 17, 2016 | 11:35 PM
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Changed my 1990 3/4 ton to single 3" with 3" cherry bomb muffler. Runs a lot better!
 
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Old May 21, 2016 | 09:03 AM
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My 80 K3500 has 3" to the choke point, uh I mean muffler, the rest is rusted off before i got it..
 
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