01-11-2014, 08:31 PM
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#3
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Drives: 2013 ZL1 Ashen Gray
Join Date: Oct 2013
Location: Lawrenceville,Ga
Posts: 668
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I also installed the 75 rwhp package but with no tune and immediately noticed a lot more power,last week on the dyno jet @ vengeance racing I pulled 604rwhp 575rwtq.
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