Complete kit that dramatically boosts the power output. Approximately 50% increase in horsepower over factory. Kit is tuned for 10 psi of boost. All stainless steel air tubes with silicone couplers. Full size aluminum intercooler. Forged piston kit; results in 9:1 compression ration (OEM compression ratio is 11.5:1). Power Tune XTO® muffler. Blow-off valve and 3 Bar map sensor included. Includes PV3 tuning device. Custom rotomolded intake plenum. High-capacity billet fuel rail with fuel damper. 900cc/min injectors. Kit can be used with Kawasaki sport roof, Kawasaki alternator kit and Kawasaki spare tire rack. Includes all mounting hardware and brackets. Made in the U.S.A.. For closed course competition use only.