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NX - Nitrous Express
Founded by a racer frustrated with lagging nitrous technology, Nitrous Express makes nitrous oxide injection systems designed from the ground up to be the most advanced,...
Founded by a racer frustrated with lagging nitrous technology, Nitrous Express makes nitrous oxide injection systems designed from the ground up to be the most advanced, most reliable, and most potent systems available. Built and extensively tested in America, NX “wet” nitrous systems arrive ready to install, without all the trial-and-error associated with other nitrous kits, and with accurate at-the-wheel horsepower ratings. In pursuit of perfect nitrous/fuel delivery, Nitrous Express CNC-machines its own high-efficiency, low-turbulence valves, jets, and solenoids. For complete systems, or components...
Founded by a racer frustrated with lagging nitrous technology, Nitrous Express makes nitrous oxide injection systems designed from the ground up to be the most advanced, most reliable, and most potent systems available. Built and extensively tested in America, NX “wet” nitrous systems arrive ready to install, without all the trial-and-error associated with other nitrous kits, and with accurate at-the-wheel horsepower ratings. In pursuit of perfect nitrous/fuel delivery, Nitrous Express CNC-machines its own high-efficiency, low-turbulence valves, jets, and solenoids. For complete systems, or components to complete or expand your existing nitrous setup, check out NX Nitrous Express products, available from Summit Racing!
Showing In Stock Items. Show All 6 Items.
Nitrous Oxide System, Hitman, Wet, 100-200 hp, 5 lb. Bottle, White, Square Bore, 4-Barrel, Kit
Part Number: NEX-40040-05
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Nitrous Oxide System, Hitman, Wet, 100-200 hp, 10 lb. Bottle, White, Square Bore, 4-Barrel, Kit
Part Number: NEX-40040-10
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Hitman Jet Pack, Nitrous Jet, 100-200 hp, Gasoline, Single 4-Barrel, for Use with Nitrous System
Part Number: NEX-40040JP
Estimated Ship Date: Today
Estimated Ship Date: Today
Nitrous Oxide System, Hitman, Phase 3 Series 4150-Style Plate, Carbureted, Wet, 100-200 hp, Push Button Activation, Gasoline, Kit
Part Number: NEX-40040-00
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Nitrous Oxide System, Hitman, Wet, 100-200 hp, 12 lb. Bottle, White, Square Bore, 4-Barrel, Kit
Part Number: NEX-40040-12
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Nitrous Oxide System, Hitman, Wet, 100-200 hp, 15 lb. Bottle, White, Square Bore, 4-Barrel, Kit
Part Number: NEX-40040-15
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
