It looks like we are beginning to see some specialized tuning kits for the new JL. Cartech has recently showed off their custom Rubicon, that seems more than capable of handling anything thrown its way. It features a brand new suspension and off road tires, as well as brand new steel front and rear bumpers. Its also equipped with auxiliary lighting, and custom fender flares. The tuner did not share whether or not there have been any changes to the powertrain, but there's also a potential increase in power output.