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Old 08-09-2012, 08:27 PM   #6
COTW 12/3/12
Deke736's Avatar
Drives: 2012 Ashen Gray ZL1
Join Date: Aug 2011
Location: Glen Carbon, IL
Posts: 3,279
For the BB, they told me that running with the flap open, it was basically running straight pipes. With the flap closed, it was a sound about halfway between the stock closed and open sound. And no drone when closed.

I am interested in hearing it. I volunteered my ZL1 as a test car at the fest, but they didn't take me up on it!
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