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How certain is this GM release? I have not heard of GM ever doing a re-tune for performance for any other cars, even the 'Vette. If I am wrong, please correct me! I would love to get the extra ponies and keep the warranty!
Clif
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2007 Bluestone
Li'l Chromies
Avic-Z2
RPI GT Exhaust with RPI cat downpipe
RPI IC
DDM Works 4 piston calipers
Kappasphere KSR disks
Opel GT antenna
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