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GMMG Exhaust Question

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Old 08-05-2006, 11:48 AM
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Default GMMG Exhaust Question
I was looking at the GMMG ehxuast and had a few questions to those who have it. Is it 3in all the way through the mufflers or does it go back to 2.5in where it goes over the axle? I was just wondering if the mufflers they use neckdown as much as the sweet thunder mufflers since they seem similar. Any input is appreciated.

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Old 08-05-2006, 12:00 PM
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they go down to 2.5"
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Old 08-05-2006, 12:38 PM
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i thought they were 3" up to the muffler, then 2.5" after the muffler
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Old 08-05-2006, 05:34 PM
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3" intermediate pipe and 2.5" after the muffler.
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Old 08-05-2006, 10:29 PM
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the muffler is 2.5 too
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is this pic an ls6 manifold




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