Racertex Posted October 2, 2017 Report Share Posted October 2, 2017 I just installed a JMS BoostMax on my 2017 SHO, and I'm amazed! They say it builds 5 more lbs of boost, and I certainly don't doubt it! Supposed to add 89hp to it. I'll keep y'all posted on how it is to live with. So far it's perfect. Turn the control knob off, and it's all stock again. I'm not associated with them, but a happy customer! www.jmschip.com Racertex Quote Link to comment Share on other sites More sharing options...
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