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Exhaust Note difference between L99 and LS3?
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11-05-2008, 10:10 PM
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BeermanSS
Drives: 2005 Cobalt SS/SC
Join Date: Nov 2008
Location: Wilson, NY
Posts: 214
has anybody heard an escalade with aftermarket exhaust on it? Probably be pretty close. The L99 is in the escalade, denali, some silverado's.
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