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Old 10-13-2010, 06:16 PM   #1
KeepItGreasey
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L99/LS3 - Stock Exhaust Question

Is there a difference between the L99/LS3 exhaust from the axle back?

Are the muffler interiors different?

Thanks for your words of wisdom!

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Old 10-16-2010, 07:48 PM   #2
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I believe they are the same. There was a really nice CAD picture of the v6, LS3 and L99 systems here somewhere. I can't find it, when you search for exhaust, a million posts come up.
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Old 10-17-2010, 01:53 AM   #3
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I don't think the mufflers are different but I know the resonator/H pipe section is different. They are seperate on the LS3 while the L99 has that 400lb enclosed section.
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