Quote:
Originally Posted by Camarofan123
Guys, just to let you know, a stock 2010 GT500 dynoed at about 490rwhp, which equates to about 575 Crank HP, so they are underrated by 30-40 HP.
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really? where did you see this at? i dont think any have hit lots yet. however that sounds about right all they really did was add a cia which usually netter 30+rwhp on the the 07-09's