Nitrous Express is proud to offer you the first nitrous plate system designed specifically for a Polaris RZR?! This NX nitrous plate system bolts between the cylinder head and the intake boot of all RZR? 800's and provides up to 40 additional horsepower at the flip of a switch. The nitrous and fuel solenoids are integrated into the nitrous plate which looks great and makes installation quick and easy. The system includes an electronic wide open throttle switch so the nitrous only activates at full throttle and automatically deactivates when you let your foot off the accelerator pedal. A direct plug in fuel rail adapter is included so there is no need to cut your factory fuel lines. The entire system can be installed in one afternoon with normal hand tools and will transform your RZR? 800 into a fire breathing monster! Complete with:, , Lightning Series integrated nitrous and fuel solenoids, Braided stainless hoses, Billet nitrous plate, Fuel rail adapter, Relay and relay harness, TPS autolearn activation switch, Jetting for 10, 20, 30 and 40HP, Available with no bottle, 2.5 or 5lb Nitrous Bottle and two stainless bottle brackets,