The NX direct port EFI systems are for the crowd who have already modified their engines with high strength internal engine parts. These systems utilize the patented NX Piranha nozzle and are adjustable up to 300 Horsepower (500 HP for 10 Cylinder)! Available standard with high tech distribution blocks, optional Next Generation rail technology. Nitrous system comes complete with your choice of 5lb, 10lb, 15lb, or 12lb composite nitrous bottle, stainless bottle brackets, stainless hard lines, nozzles, jetting, and all necessary electrical components. This system requires the drilling and tapping of intake.