Check the listing for details. 15605 Nitrous Express NX Purge System For Integrated Solenoid Systems. Color: Silver, Condition: New. Listed at 200.81 USD. 15605 Nitrous Express NX Purge System For Integrated Solenoid Systems Description: The NX Purge System is designed to purge the air from your nitrous lines to allow immediate and consistent activation of your Nitrous system. This system includes a Lightning solenoid, push button for activation, and a vent tube to direct the purged nitrous out of the solenoid. This purge system also includes the needed hardware to accommodate plate systems with integrated solenoids. Purge System includes: Purge solenoidPush button activation1/8 NPT "T" fitting8 inches of 3AN stainless braided line1/8 NPT to compression fitting7 inches of 3/16" stainless tubing This is the correct purge system for the following part numbers: 20110-XX (GM MAF system)20931-XX (5th Gen Camaro plate system)20947-XX (Ford 3v plate system)20948-XX (Ford Coyote plate system) Shipping is FREE inside the contiguous United States. If shipping to Alaska, Hawaii or Puerto Rico please message us for a quote for additional shipping costs.