ADM BUILDS ZL1 417 CID STEALTH (1100HP build)
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05-04-2013, 11:01 AM
Drives: 2013 ZL1 #138
Join Date: Oct 2008
Location: DfW - Texas
Originally Posted by
whats this exhaust thing that keeps the valves shut, do they stay shut the whole time, or is the mode selectable?
This car is either open or closed
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