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Old 06-12-2013, 10:48 AM   #1
SampsonJ177
 
Drives: 09 Cadillac CTS
Join Date: Jun 2013
Location: Wisconsin
Posts: 4
How does the Performance Exhaust work?

Has operation of the performance exhaust option changed from the C6 to the C7? Can the sound be changed by the driver mode selector or how does it function? Are there more options than fully open or fully closed? I see a lot of speculation out there but does anyone have the hard facts?
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