The Nitrous Express Diesel Nitrous Systems are guaranteed to boost horsepower, torque, erase that ugly black smoke cloud and dramatically reduce exhaust temperatures. The diesel nitrous system is safe, low cost add-on for your modified diesel truck. This system mounts the solenoid directly to the charge pipe with no jetting required. This system includes: 15100L Nitrous Solenoid High flow braided stainless lines Wide open throttle switch 4AN Feedline Master arming switch Relay and relay harness 15Lb nitrous bottle with the Lightning 500 Valve Stainless steel bottle brackets SKU: NXD11110.