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UPDATE: NOT Disappointed
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05-23-2015, 10:22 PM
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polarisiq93
Drives: 2013 ZL1 M6
Join Date: Oct 2014
Location: Ontario
Posts: 217
i agree don't let the numbers bug you, my car has long tubes with high flows, intake, 2.55 sc pulley, id 850's, dyno tune. after reading lots i was really thinking it would make 600 but only made 574.
polarisiq93
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