Dual Nozzle Upgrade (Nylon Line) Features The Dual Nozzle Upgrade from Snow Performance allows an additional water-methanol injection nozzle to be mounted with any of our water-methanol injection systems. Upgrade Includes (1) 1/4 Inch Push Connect T Fitting (1) Nozzle Holder/Check Valve Combo 2 ft 1/4 High-Temperature Nylon Tubing Note- Nozzle NOT Included and must be purchased separately