2011-2014 roush stage 1 supercharger complete kit all that's needed is plugs and a tune. Has less than 5,000 miles on it comes with 82 and 90 mm pulley. $4,000 obo. Shipping included in the price. 2.9% PayPal fee will need added.. Great setup just got this in on a trade.. I have an 06 so it's not any use to me.