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Old 06-05-2013, 02:22 AM   #23
REDXIIIDave
El Chupacabra
 
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Drives: 2011 2SS/RS A6 Black/Black
Join Date: Jun 2011
Location: Lakewood, CO
Posts: 923
Subthump amp and subwoofer. Huge difference. Haven't done any performance mods yet.
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