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Old 06-24-2012, 07:14 AM   #2
PalmerGA


 
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Drives: 2013 SIM 1SS/RS L99
Join Date: May 2012
Location: Southwest GA
Posts: 7,027
Google is a wonderful tool...

http://www.aptuned.com/blog/catback-...ifference.html
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2013 1SS/RS Coupe L99, CAI Inc. Air Intake w/ Apex Scoop, VMAX CNC Ported Throttle Body, Vitesse Throttle Controller, Solo Axle-Back Exhaust w/ J-pipes, Apex Catch Can, Husky Splash Guards, Heritage Grille, Oracle Chrome Turn Signal Bulbs, GM Reverse Light Trim Billets, Emblem Pros Retro SS Badges/Custom Retro SS Kickplates/Under-hood Bowtie
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