2 stage dry nitrous spraybar kit. The only 2 stage dry nitrous spraybar kit specifically designed to fit the 2003 through 2016 GSXR 1000 airbox. The jet change is located outside the airbox for ease of use. No need to remove or open the airbox once the kit is installed. The airfilter can still be utilized and the location does not interefer with airflow. Performancefirstcycles spraybar kits are designed to use any type of flare jet