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Nitrous Express 20421-10

Proton Plus Single Nozzle Nitrous System Single Shark Nozzle

Nitrous Express 20421-10

Part Number: 744-20421-10

Proton Plus Single Nozzle Nitrous System
  • Single Shark Nozzle
  • 35, 50, 75, 100, 125, 150 WHP
  • 10 lb. Bottle w/Lightning 45 Bottle Valve
  • $458.39
    Made In USA
    FREE Shipping
    Nitrous Express 20421-10 Proton Plus Single Nozzle Nitrous System Single Shark Nozzle $458.39


    With Bottle
    Universal EFI
    Bottle Brackets Included
    Bottle Color
    Bottle Included
    Bottle Material
    Delivery Style
    Air intake tube
    Dual Stage
    Jet Sizes Included (hp)
    35, 50, 75, 100, 125, 150
    Maximum Advertised Horsepower Increase
    Nitrous Bottle Capacity (lbs.)
    Nitrous System Style
    Sold as a kit
    Bracket Material
    Stainless steel
    Manufacturer's Part Number:

    Nozzle Mounts Into the Air Intake Tube!
    35 to 150 WHP

    Nitrous Express Proton nitrous systems combine performance, durability and value in a compact and easy to mount nitrous / fuel module. Proton systems include jetting for 35, 50, 75, 100, 125 and 150 horsepower but can flow up to 250 horsepower with an optional, not included, SHO jet kit. All Proton systems include stainless steel braided nozzle lines, 15-foot braided stainless feed line, braided stainless fuel line, and stainless steel bottle brackets (for systems with bottle included). Standard Proton systems include a brass bottle valve while the Proton Plus systems include a high flow billet aluminum 'Lightning 45' bottle valve. Standard Proton systems include a Piranha nitrous nozzle and a push button while Proton Plus systems include a Shark nitrous nozzle, nozzle adapter, Master arming switch, wide open throttle switch, 40-amp relay, relay harness as well as every nut, bolt and electrical connector needed to complete the installation. Fits all electronic fuel injected vehicles with a single throttle body.

    Nitrous Express innovates and leads the off-the-shelf nitrous system market! Their systems include the latest technology, designs and the best components available. The Proton Plus systems includes the legendary 'Lightning 45' bottle valve. This bottle valve features a large .325'' orifice with a direct flow path and ONLY one 45-degree turn to the outlet and a consistent inner diameter which provides outstanding laminar flow and eliminates any chance of those power robbing gaseous bubbles from developing. The 'Lightning 45' valve also features a built-in gauge port, a high flow push port and weighs less than old school brass bottle valves. Made in the USA.

  • Proton Plus system bottle features a Lightning 45 bottle valve
  • Standard Proton system bottle features a standard brass bottle valves
  • Billet aluminum solenoid box
  • Standard Proton system includes Piranha nitrous nozzle
  • Proton Plus system includes patented Shark nitrous nozzle
  • Includes jetting
  • Single nozzle, single stage system
  • 35 to 150 horsepower at the wheels (upgradeable to 250hp)
  • Made In The USA!

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