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...

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Nitrous Express AN to NPT Adapter Fittings

These fittings are ideal for plumbing your nitrous system or vehicle fuel system. They're made from nickel plated brass for good looks and durability.

3.33 out of 5 stars ( 6 )

$12.29

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$20.47

Nitrous Express AN Cap Fittings

Nitrous Express AN cap fittings put an "end" to your fittings. These caps are manufactured from aluminum and come available in a choice of sizes.

4.0 out of 5 stars ( 1 )

$6.83

Nitrous Express Tee Adapter Fittings

Nitrous Express tee adapter fittings facilitate your custom nitrous or fuel line plumbing applications. The brass fittings are available in a variety of sizes and attachment styles.

3.88 out of 5 stars ( 8 )

$20.47

Nitrous Express Stainless Steel Braided Hoses

These hoses from Nitrous Express are made of the finest quality braided stainless steel for your nitrous system. These stainless steel braided hoses are available assembled with fittings.

4.5 out of 5 stars ( 10 )

$49.14

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$169.23

Nitrous Express Reducers

Nitrous Express reducers adapt your automotive plumbing from larger to smaller lines. These fittings are manufactured from premium materials, like aluminum and brass, in a choice of sizes and configurations to fit your project perfectly.

5.0 out of 5 stars ( 3 )

$8.33

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$15.44

Nitrous Express Union Fittings

Nitrous Express union fittings will help to complete your NOS plumb job properly with a secure, leak-free fit. These union fittings are offered in different styles, materials and sizes to provide superior performance. Order the Nitrous Express union fittings designed to fit your application needs.

4.0 out of 5 stars ( 1 )

$20.47

Nitrous Express Union Reducers

These union reducers are the perfect union between Nitrous Express and your nitrous system. These anodized aluminum fittings will help to complete your NOS plumb job properly with a secure, leak-free fit. Unite your system safely with Nitrous Express union reducers.

4.0 out of 5 stars ( 4 )

$17.75

Nitrous Express Y-Fittings

Sometimes you need to bring three lines together, but two of them come in from angles that would make a T-fitting inappropriate. Nitrous Express has a solution for many of those situations. Their Y-fittings are precision-made made from quality aluminum and are protected from corrosion by bright anodized finishes. On top of that, they'll handle many of those odd-angle, 3-line situations reliably, and with style.

Not Yet Reviewed

$36.02

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$43.74

Nitrous Express Nitrous and Fuel Line Assemblies

Nitrous Express offers a wide variety of fuel and nitrous line assemblies. They're available in a stainless steel braided version and a black NXL hose version. These lines come assembled with beautifully anodized AN fittings.

5.0 out of 5 stars ( 1 )

$40.94

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Nitrous Express Tube Nuts

Nitrous Express tube nuts allow you to connect hard tubing to AN fittings. They're machined from high-quality aluminum to precise tolerances and feature an anodized finish for long-lasting use. From adapters and fittings to B-nuts and sleeves, Nitrous Express has hardware accessories to accommodate your nitrous setup. Find the tube nut color you prefer and the AN size needed for proper fitment.

Not Yet Reviewed

$6.83

$4.50

Nitrous Express Nitrous Filter Fittings

Nitrous Express offers a variety of nitrous filter fittings to help plumb or repair your boost lines. The brass fittings are nickel plated and include a filter screen. They're available in different AN and NPT thread sizes to accommodate your NOS system. These filter fittings will help keep your jet spray and engine free from contaminants that could affect performance.

5.0 out of 5 stars ( 1 )

$39.57

Nitrous Express Stage 6 Nitrous Systems

If you have a carbureted vehicle and you're on a budget or are just getting started, Nitrous Express Stage 6 nitrous systems could be the ideal beginning point. They're tunable to deliver power boosts in six graduated increments, from 50 hp all the way up to 300. That means you can pick one of the lower increases for an engine that's close to stock, and then ramp things up later on when you add forged pistons. Systems include: * Nitrous distribution plate * Supply hose and fittings * Solenoids * Switches * Wiring * Jets * Mounting hardware * Race fuel required for increases above 150 hp

4.0 out of 5 stars ( 8 )

$723.34

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$2,138.63

Nitrous Express 4150 Assassin Plate Stage 6 Nitrous Systems

Nitrous Express 4150 Assassin Plate Stage 6 nitrous systems for alcohol fuel deliver a 100 to 300 hp rating, are offered with or without a bottle, and feature one of the most technically advanced single stage plates ever designed—the Assassin. Nitrous Express CNC-machined 7/8 in. thick Assassin plates integrate nitrous and fuel discharge ports into the outer perimeter, producing a unique spray pattern that assures perfect nitrous-fuel distribution. This solves the problems commonly found on single plane manifolds, particularly small and big block Fords, and creates superior distribution and outstanding atomization with no spray bars to sag, split, or block airflow. Select the Assassin Stage 6 system without or with the preferred bottle size. Systems include: * Jetting for 100, 150, 200, 250, and 300 hp * Billet aluminum and carbon fiber lightning solenoids * Heavy-duty 40 amp relay * 4 AN supply line * Billet aluminum Y-fittings * Stainless braided solenoid-to-plate lines * Bottles available in 10, 12, and 15 lb. capacities * Systems with bottle come with stainless bottle brackets and Lightning 500 bottle valve

Not Yet Reviewed

$1,103.47

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$2,040.48

Nitrous Express Dominator Assassin Plate Stage 6 Nitrous Systems

The new Nitrous Express Dominator Assassin Plate Stage 6 nitrous system is the most technically advanced single-stage plate ever designed. A unique perimeter spray pattern assures you perfect nitrous-fuel distribution. It solves problems commonly found on single-plane manifolds, particularly small and big block Fords. This new innovation provides superior distribution and outstanding atomization. With no spray bars to sag, split, block airflow, or damage, this is truly the Next Generation in nitrous plate technology. Select the model with options needed for your application. This system includes: * Jetting for 50, 100, 150, 200, 250, and 300 hp * Billet aluminum and carbon fiber lightning solenoids * Heavy-duty 40 amp relay * -4 AN supply line * Billet aluminum Y-fittings * Stainless braided solenoid-to-plate lines * Systems with a bottle include stainless bottle brackets and Lightning 500 bottle valve * Fits standard Dominator flange carburetors

5.0 out of 5 stars ( 1 )

$1,003.47

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$1,990.76

Nitrous Express 4500 Assassin Plate Stage 6 Nitrous Systems

Nitrous Express 4500 Assassin Plate Stage 6 nitrous systems for alcohol fuel deliver a 100 to 300 hp rating, are offered with or without a bottle, and feature one of the most technically advanced single stage plates ever designed—the Assassin. Nitrous Express CNC-machined 7/8 in. thick Assassin plates integrate nitrous and fuel discharge ports into the outer perimeter, producing a unique spray pattern that assures perfect nitrous-fuel distribution. This solves the problems commonly found on single plane manifolds, particularly small and big block Fords, and creates superior distribution and outstanding atomization with no spray bars to sag, split, or block airflow. Select the Assassin Stage 6 system without or with the preferred bottle size. Systems include: * Jetting for 100, 150, 200, 250, and 300 hp * Billet aluminum and carbon fiber lightning solenoids * Heavy-duty 40 amp relay * 4 AN supply line * Billet aluminum Y-fittings * Stainless braided solenoid-to-plate lines * Bottles available in 10, 12, and 15 lb. capacities * Systems with bottle come with stainless bottle brackets and Lightning 500 bottle valve * Fits standard Dominator flange carburetors

Not Yet Reviewed

$1,126.57

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$2,063.37

Nitrous Express Fuel Rail Adapters

Trying to tap the fuel rail? Nitrous Express has the answer. These trick billet aluminum adapters allow the fuel injector rail on all return-less style engines to be tapped for nitrous usage or a fuel pressure gauge. The high-flow adapters have dual outlets for multiple uses. They're available in different sizes and attachment options.

4.93 out of 5 stars ( 14 )

$12.36

Nitrous Express Bottle Nipples

Nitrous Express bottle nipples are designed to connect the braided stainless steel nitrous feed line to the bottle valve. They are made of stainless steel and are available for -4 AN and -6 AN braided hose sizes.

3.67 out of 5 stars ( 3 )

$13.56

Nitrous Express Mainline Nitrous Oxide Purge Systems

Purge the air from your lines with Nitrous Express mainline nitrous oxide purge systems to allow for the immediate activation of your nitrous system. They allow you to purge the system, even without a purge port built into your solenoids, and they can also be used to lower the bottle pressure for spot-on performance every time you activate the systems. They are available in two hose sizes. Includes: * Purge solenoid * 4 AN adapter fitting * Push-button activation * 1/8 in. to 1/8 in. NPT fitting * 1/8 in. NPT to compression fitting * 7 in. of 3/16 in. stainless tubing

4.3 out of 5 stars ( 23 )

$131.21

Nitrous Express Tube Sleeves

Nitrous Express has the fittings that you need to plumb your nitrous and fuel systems. These tube sleeves are available in a variety of sizes to suit your needs.

5.0 out of 5 stars ( 1 )

$4.09

Nitrous Express Swivel Gauge Adapters

Nitrous Express swivel gauge adapters provide secure, easy attachment to the manifold, allowing connection without turning the entire manifold body. Featuring aluminum construction with a durable anodized finish, you will fully appreciate the swivel design when attaching your manifold to NX Lightning 45 bottle valves. Nitrous Express swivel gauge adapters are available in different sizes and have two 1/8 in. NPT ports that allow you to connect a nitrous gauge, fuel pressure gauge, or any 1/8 in. NPT accessory inline.

5.0 out of 5 stars ( 2 )

$25.72

Nitrous Express Bottle Nut Adapters

Nitrous Express bottle nut adapters allow you to connect your nitrous bottle to AN braided line for easy plumbing of your nitrous line.

4.0 out of 5 stars ( 1 )

$19.10

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$25.93

Nitrous Express Stainless Steel Tubing

Nitrous Express will help get your direct-port nitrous system flowing. They offer stainless steel tubing kits, each with the necessary tube lengths for 4, 6, or 8-cylinder systems. Kits are available with or without B-nuts and sleeves. For an install that flows with professional appeal and performance, complete your project with a quality Nitrous Express tubing kit.

5.0 out of 5 stars ( 1 )

$94.17

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$181.52

Nitrous Express Nitrous Bottles

Available in a variety of sizes and valve flow styles, these bottles from Nitrous Express make it easy to design your system. Constructed from aluminum, they are available in white powdercoated or polished finishes.

5.0 out of 5 stars ( 7 )

$305.39

Nitrous Express High-Accuracy Nitrous Pressure Gauges

Nitrous Express High-Accuracy nitrous pressure gauges are large 4 in. liquid-filled gauges that are easy to read, very reliable, and extremely accurate. They feature a 1/8 in. NPT fitting on the gauge so you can mount directly into an inline adapter with no other fittings necessary. They are offered as gauge only or in kits with either a 4, 6, or 8 AN adapter. Are you tired of trying to read a small nitrous pressure gauge? Try NX High-Accuracy nitrous pressure gauges.

Not Yet Reviewed

$74.00

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$88.84

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