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Old 11-02-2008, 09:42 AM   #2
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Drives: 2013 Sonic RS MT
Join Date: Dec 2007
Location: Saint Augustine FL
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My guess is there will be no difference when all 8 cyls are running. The Cam is a little more mild in the L99 so that could change the "sound" of the engine a little. But I'm betting the exhaust notes will be pretty damn close to each other.
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