svt_abel Posted April 29, 2014 Report Share Posted April 29, 2014 I have a 2010 SShelby and currently I did Borla atak, off road h-pipes, jlt cai, 2.5 upper pulley with 90 mm idler stock, and spark plugs and only put 530 to the wheels. I thought I would be closer to the 600 range. Or does it sounds about right? Link to comment Share on other sites More sharing options...
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