This Hayabusa (99 - 24) breather cover is the perfect addition to any nitrous system, offering unrivaled organization and functionality.  Its integrated nitrous cube can accommodate up to 2 stages of dry nitrous, making it the ultimate solution for enthusiasts seeking maximum performance. With additional ports for a purge solenoid, nitrous pressure sensor, crankcase/vacuum pressure sensor and a location to mount your air shift solenoid, this breather cover offers unmatched versatility. Say goodbye to messy and disorganized nitrous systems!  Manufactured with precision and designed for performance, this breather cover is a must-have for any serious nitrous enthusiast. Mounting hardware for cube, cover and shift solenoid included. **Sensors, Additional fittings and Solenoids sold separately**