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There are a bunch of N2O systems availble today.

The following are the 3 brands I offer. There more models availbe than I show here. these are just popular examples.

EDELBROCK

Nitrous Oxide System, Universal, Carburetor Style, 10 lb. Bottle, Aluminum, Silver, Steel Bracket, Kit $380

Edelbrock Performer nitrous systems are designed for a variety of engines. They're available in both wet and dry styles, and are adjustable for power increases of 50, 75, or 100 HP. Carbureted engines use a 1/2 in. aluminum spray-bar plate that fits between the carburetor and intake manifold. On fuel injection engines, nitrous is delivered via the air intake tube. Performer nitrous systems come complete with the nitrous bottle (empty), solenoids, switches, stainless braided hose, jets, nitrous and fuel filters, fittings, and mounting hardware.

Nitrous Oxide System, Universal, EFI Plate Style, 10 lb. Bottle, Aluminum, Silver, Steel Bracket, Kit $490

As the name suggests, Performer RPM Pro-Flo EFI nitrous systems are designed for use with Edelbrock's own Performer RPM Pro-Flo EFI fuel-injection systems. They provide a quick, adjustable, bolt-on boost of 100 to 150 HP and come complete with the spray bar plate, nitrous bottle (empty), and all necessary switches, brackets, solenoids, filters (fuel and nitrous), stainless braided hose, jets, and mounting hardware.

Nitrous Oxide System, EFI Air Intake Style, 10 lb. Bottle, Aluminum, Silver, Steel Bracket, Kit $600

Edelbrock EFI nitrous systems give you large, adjustable horsepower gains in your choice of wet or dry approaches. Wet systems send a mixture of nitrous and essential enriching fuel into the intake runner, and allow you to select boost from 50 to 70 HP. Dry systems also introduce the nitrous into the intake, but the enriching fuel is supplied by either increasing the fuel pressure or changing the duty cycle, for power gains from 40 to 150 HP. Both types include the bottle (empty), solenoids, switches, fittings, stainless braided hose, and all hardware needed for installation.

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NITROUS OXIDE SYSTEMS

Nitrous Oxide System, Universal, Carburetor Style, 10 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $400

NOS Powershot nitrous oxide systems are an excellent way to increase the horsepower of your engine. They use a thin, 1/2 in. injector plate that fits between your intake and carburetor. Highly accurate spray bars within the plate simultaneously inject both nitrous and fuel into the manifold, creating a smooth rush of extra power on demand. They're easy to install and are factory preset to provide 125 HP for V8 applications, or 90 HP for V6s. The kits come complete with an unfilled nitrous bottle, mounting brackets, nitrous and fuel solenoids, fuel filters, 12 ft. of -4 AN stainless-braided supply line, switches, wiring, jets, all necessary hardware, and instructions. Also available without the bottle.

Nitrous Oxide System, Universal, Carburetor Style, 10 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $470

The World's Most Popular Nitrous Oxide System!
The NOS® CheaterTM system is designed for use on 350 CID or larger, carbureted engines. It uses large nitrous and fuel solenoids and can be adjusted to any desired power level from 150 to 250 horsepower, in a matter of seconds. CheaterTM systems are easy to install and utilize a 1/2" thick injector plate which fits between the carburetor and intake manifold to provide ample hood clearance.
These systems are available in both single-stage and dual-stage models. Dual stage models are best suited to those applications where full power cannot be applied at once, due to traction limitations. However, even greater control can be realized by using a NOS® Progressive Nitrous Controller.

A major concern of any racer is being able to "hook up" for optimum performance. This is especially true of cars equipped with nitrous systems, as applying hundreds of extra horsepower can often over-power the traction available with a given chassis, tire and track condition. Through applying nitrous gradually, or in stages, it is possible to give the car as much power as it can handle at any point on the track. Extensive testing has proven the use of NOS controllers to dramatically lower elapsed times in many applications.

Programmable Progressive Nitrous Controller $550
This top-of-the-line unit can be programmed to control both the amount of nitrous that is flowed to the engine (from 0-100%) and the time desired to "ramp up" from first hit to full flow. For example, you can program the controller to flow 25% of the nitrous 1.5 seconds into the run and increase it to 75% nitrous at 5.3 seconds. Or, it can go all the way to 100% much sooner. This enables a racer to "fine tune" the power curve of an engine to best utilize prevailing conditions. It can also be used to activate a retard box or 2nd stage of nitrous. Clearly, this is the most sophisticated progressive nitrous controller available today. However, it is very easy to use, and each function is set through simply turning a series of dials to the desired position and pushing a "program" button.

CheaterTM systems include a 10 lb. nitrous bottle, four (4) stages of jets, aircraft-quality steel braided lines and all other necessary electrical and mounting hardware for a complete installation. Each single carburetor CheaterTM system includes Jet Pack #13725 that allows jetting to four (4) different horsepower levels: 150, 180, 210 and 250. Each multiple carburetor CheaterTM system includes Jet Pack #13735 that allows jetting to four (4) different horsepower levels: 150, 175, 200 and 250.

NOS Cheater nitrous oxide systems are designed with the serious racer in mind. They feature larger nitrous and fuel solenoids than the Powershot system, and can be adjusted in a matter of seconds to add an additional 150 to 250 HP, simply by changing fuel and nitrous jets. They use a thin, 1/2 in. injector plate that fits between your carburetor and intake. Highly accurate spray bars within the plate simultaneously inject both nitrous and fuel into the manifold, creating a smooth rush of extra power on demand. Kits come complete with an unfilled nitrous bottle, Cheater nitrous and fuel solenoids, an injector plate, filters, fittings, four stages of jets, switches, aircraft-quality stainless-steel braided hose, and all other necessary hardware for a complete installation. Kits are also available without the bottle or injector plate. Not recommended for intake manifolds with a separate inlet for each carburetor throttle bore, except for 3x2-barrel setups. Racing fuel recommended.

Nitrous Oxide System, EFI Plate Style, 10 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $690

For those who desire to put some serious muscle into their EFI Mustangs, NOS created these Big Shot systems just for you. They feature a 1/2 in. thick plate that fits between the upper and lower manifold sections, delivering a highly atomized dose of nitrous and fuel to the intake tract for power increases of up to 300 HP. They're available for all OEM and aftermarket manifolds, and come complete with an unfilled nitrous bottle, a 1/2 in. injector plate, fuel and nitrous solenoids, filters, fittings, jets, switches, aircraft-quality stainless steel braided hose, and all other necessary hardware for a complete installation. Racing fuel is required.

Nitrous Oxide System, Universal, Dual Stage, Carburetor Style, 10 lb. Bottle, Aluminum, Blue, Bracket, Kit $620

Often times, the application of too much nitrous at the starting line can ruin a good launch. NOS Dual Shot Cheater nitrous systems are designed with this in mind. They inject nitrous oxide into your engine in two stages. The first stage is an adjustable 100-150 HP, turned on by a throttle-activated microswitch, which allows the car to leave the line under full traction. Then, with the tires fully hooked up, the second stage is activated via a push-button switch, providing another adjustable power increase of 150-250 HP. Systems include two Super Powershot solenoids for the first stage, two Cheater solenoids for the second stage, an unfilled nitrous bottle, a 1/2 in. injector plate, filters, fittings, a variety of power jets, switches, aircraft-quality stainless-steel braided hose, and all other necessary hardware for a complete installation. Also available without the bottle. Not recommended for intake manifolds with a separate inlet for each carburetor throttle bore, except for 3x2-barrel setups. Racing fuel recommended for higher outputs.

Nitrous Oxide System, Universal, Carburetor Style, 10 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $530

NOS Big Shot plate nitrous oxide systems are adjustable from 200 to 400 HP, depending on the application. They have a precision-machined, 88-hole spray bar injector plate that allows fuel and nitrous to be fogged or atomized at much finer levels than older plate designs. Big Shot systems come with the injector plate, large-capacity solenoids, large -6 AN nitrous feed line, an unfilled bottle, jets, brackets, mounting hardware, and instructions. We have upgrade kits to convert NOS Cheater systems to Big Shot specifications. Big Shot injector plates are also available, as are kits without the bottle. Racing fuel is required.

The World's Most Sophisticated Plate Systems!
Take two NOS® Big Shot^TM plates and stack them perpendicular to each other and you get the Double Cross nitrous plate. With the plate cross bars intersecting at a 90° angle, optimum distribution of fuel and nitrous is achieved. This is especially important when using highly complex intake manifold designs and/or those with extended runner dividers that reach deep into the plenum area.

Available either as a single-stage or two-stage system, NOS® Double Cross plate systems will enhance any race car set up and provide more blast for every pass made down the quarter mile. This is possible because a Double Cross plate system is capable of providing anywhere from 250 to 500 adjustable horsepower. As a result, these systems have been used by many leading racers to establish E.T. and M.P.H. records in "street legal" classes where a single 4-Bbl plate is required.

Double Cross systems are complete and include 10 lb. bottle, solenoids, plumbing, electrical and all required hardware.

Nitrous Oxide System, Universal, EFI Air Intake Style, 10 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $530

If you're looking for the easiest way to get some serious performance for your electronically fuel-injected vehicle, look no further than these NOS EFI nitrous oxide systems. Each has been engineered for the exact application and is fully compatible with OEM equipment. Kits are available in either wet or dry configurations, and will not affect day-to-day driving, fuel economy, or reliability. All kits include an unfilled bottle with a Hi-Flo valve, fuel and nitrous solenoids, nozzles, stainless-braided feed line, mounting hardware, and instructions. Also available without the bottle. Premium gasoline or unleaded racing fuel required.

Nitrous Oxide System, Universal, Direct Port Style, Kit $540

NOS has pushed performance to a new level with their Pro Race Fogger nitrous oxide systems. They incorporate the latest technology for producing the largest horsepower gains of any single-stage system available today; and they feature stainless fogger nozzles for the ultimate in combustion, distribution and accuracy. These systems include NOS' famous R-series bottom-discharge solenoids, which have the least restriction and most flow of any design, and are adjustable to produce from 150 to 600 plus additional HP! They are designed specifically for use on highly modified competition-only engines, and come standard with the bottle and brackets, Super Hi-Flo valve (with nitrous gauge!), Y-shaped equal-flow distribution blocks for superior performance and accuracy, high-flow Y-fittings at all unions, and all other necessary mounting hardware for a complete installation. Racing fuel, racing ignition system with timing control, and internal engine modifications are required. Also available without bottle.

Nitrous Oxide System, Universal, EFI Direct Port Style, 10 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $1500

NOS NOSzle direct-port EFI nitrous systems can add horsepower to your ride--without any manifold modifications. They do it by placing special, three-piece, billet aluminum "NOSzles" between your existing injectors and manifold. The NOSzles, in turn, direct nitrous and additional fuel into the ports, along with the normal charge from the stock injectors. Output is fully tunable to meet your wants and needs. Systems include everything needed for installation, including the bottle and mounting brackets, NOSzles, stainless-braided hoses, fittings, solenoids, switches, wiring, jets, and mounting hardware.

Port Injection for Superior Power And Consistency
Engineered for precise distribution of nitrous and fuel for all domestic and foreign carbureted/EFI 4, 6, 8 cyl. & Rotary engines. The NOS Sportsman Fogger Systems offer superior atomization and tuning by injecting precisely measured amounts of fuel and nitrous into each individual port with our patented Fogger Nozzles. Power levels are adjustable by changing nitrous and fuel jets in each Fogger Nozzle. The latest in high-tech solenoid technology allows for an extreme degree of reliability with jetting adjustability ranging from a 50 to a 150 extra HP gain. All Sportsman Fogger Systems include a 10 lb. capacity nitrous bottle, Powershot nitrous and fuel solenoids, Fogger nozzles, aircraft quality steel braided hose, and all other necessary electrical and mounting hardware for a complete installation. Requires removal of intake manifold for plumbing.

Street Fogger
The Sportsman Fogger kit and a 180° dual plane manifold make an excellent combination for the street. You get all the bottom-end torque and fuel economy of a dual plane during everyday street driving, then hit the bottle for an awesome performance gain. It's the best of both worlds.

Nitrous Oxide System, Universal, Direct Port Style, 10 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $650

NOS Sportsman Fogger nitrous oxide kits are intended for street/strip racers, and are designed to deliver excellent distribution and atomization, along with easy power tuning. They do it by injecting precisely measured amounts of fuel and nitrous into each individual intake port via NOS' patented Fogger nozzles. Power levels are adjustable from 50 to 250 HP by changing the jets in each nozzle; and the latest in high-tech solenoids provide an extreme degree of reliability. Kits include the nitrous bottle and mounting brackets, Fogger nozzles, Powershot nitrous and fuel solenoids, aircraft-quality stainless-braided supply hose, jets, fittings, tubing, switches, wiring, installation hardware, and a tap for threading the intake manifold for the nozzles. Forged pistons recommended for power increases in excess of 40 percent above stock horsepower.

Nitrous Oxide System, Universal, Direct Port Style, 10 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $820

Now you can have the nitrous oxide technology that's allowed racers to run six-second quarter miles -- from NOS Pro Shot Fogger nitrous oxide systems. They're designed just for all-out racecars, and offer superior atomization and tuning by injecting precisely measured amounts of fuel and nitrous into each individual intake port. Power levels are adjustable from 150 to 500 HP or more by changing the jets in each Fogger2 nozzle; and the latest in high-tech solenoids provide an extreme degree of reliability. The kits include the nitrous bottle and mounting brackets, the famous Fogger2 nozzles, Super Pro Shot nitrous and Cheater fuel solenoids, aircraft-quality stainless-braided hose, jets, fittings, tubing, switches, installation hardware, and a tap for threading the intake manifold for the nozzles. Racing fuel, racing ignition system with timing control, and internal engine modifications are required. Also available without the bottle.

The Pro Shot Fogger utilizes patented Fogger2 Nozzle technology for excellent combustion, distribution and adjustability, allowing each cylinder to be injected with a precise cool, dense fuel laden nitrous "fog" mixture. Featuring our Super Pro Shot solenoids, power levels may be adjusted from 150 HP, to well above 500 extra HP. The Pro Shot Fogger system is designed primarily for highly modified V-8 engines built with race quality components.

Professional Two-Stage Performance
The two stage version of our famous record setting Pro Shot Fogger and is adjustable from 150-750+ HP. Designed primarily for highly modified big block V-8 engines, the Fogger 2's dual stage feature allows an operator to jet the first stage for full traction off the line. Then, in the second stage special spray bar plates, which mount under the carburetors, add maximum mid-range and top end power. Fogger 2^TM nozzle technology incorporates both fuel and nitrous injection through one nozzle for the ultimate in combustion, distribution and adjustability. Each cylinder is injected with a cool, dense fuel laden nitrous "fog" mixture.

This is the system which is responsible for the original record setting six second quarter mile runs in IHRA Pro Modified and it's still very much in use by today's crop of low 6-second runners.

The Pro Shot Fogger 2 System includes a 10 lb. capacity nitrous bottle, Pro Shot nitrous and fuel solenoids, patented Fogger nozzles (including tap #15990 for plumbing Fogger nozzles), special spray bar plates, aircraft quality steel braided hose, and all necessary hardware for a complete installation.

Pro Race Fogger Nitrous Systems
150-600+ HP ADJUSTABLE

Nitrous Oxide System, Universal, Direct Port Style, 15 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $1000

Advanced Direct Port System For Competition
NOS research and development continually strives to push the performance envelope to the next level. The Pro Race Fogger incorporates the latest in NOS technology for producing the largest horsepower gains of any single-stage nitrous system available today.

This full race spec system is available with your choice of stainless fogger nozzle for the ultimate in combustion, distribution, and accuracy -- allowing each cylinder to be precisely injected with a cool, dense "fog"-like charge of atomized fuel and nitrous. This system features our R-series bottom-discharge solenoids which offer the least restriction and most flow of any other design. The NOS Pro Race Fogger is fully adjustable to produce from 150 horsepower all the way to well over 600+ horsepower.

The Pro Race Fogger system is designed specifically for use on highly modified competition-only engines. This system comes standard with a big 15 lb. bottle with a Super Hi-Flo® valve (with N₂0 gauge), exclusive Y-shaped Equal Flow distribution blocks for superior performance and unsurpassed accuracy, stainless tubing, high flow "Y" fittings at all unions, and all other necessary mounting hardware for a complete, professional installation.

Nitrous Oxide System, Universal, EFI Direct Port Style, 10 lb. Bottle, Aluminum, Blue, Steel Bracket, Kit $1500

New "NOSzle^TM" Direct Port E.F.I. Adds Up To 300 Horses!*
The New NOSzle^TM systems represent the most sophisticated, patented advance in nitrous oxide technology in years. The new NOS NOSzle^TM Direct Port EFI systems allow precise fuel/ nitrous distribution without the chance of fuel puddling, and huge horsepower gains with no intake manifold modifications or hard line routing required.

The key to this system is in the delivery NOSzle^TM itself. The NOSzle^TM is a 3-piece billet aluminum unit which is precision machined to channel additional fuel and nitrous while housing your existing fuel injector. This method of distributing fuel and nitrous takes the danger out of single-nozzle fogger systems and the hassle out of traditional direct port fogger kits. For a high performance EFI motor, The NOSzle^TM is perfect in form and function.

Like all NOS systems, The NOSzle^TM systems are complete. The 08100NOS kit comes with 10lb bottle, Pro Shot Nitrous Solenoid, Cheater Fuel Solenoid, high pressure poly lines, brackets, fuel safety switch, electronic wide-open-throttle (WOT) switch, window switch, and all other wiring/hardware to make installation a snap.

NOS nitrous has been the leader in Nitrous Technology for decades and with this new NOSzle^TM technology, we are taking nitrous to the next level.

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ZEX™ Wet Nitrous Oxide Kit

Wet nitrous oxide systems provide fuel enrichment by teeing off of the engine fuel rail and feeding it into the injection nozzle.

The ZEX™ "Wet" Nitrous Oxide System has the most advance features of any "wet" nitrous oxide system on the market. All components, such as the solenoids and activation electronics, are factory pre-assembled inside the "Nitrous Management Unit". This ensures you will be spending less time in the garage installing the system and more time out having fun. The patent pending "Fuel Shear" technology used in the ZEX™ nitrous nozzle, places the enrichment fuel directly inside the high-speed nitrous oxide plume exiting the nozzle. This results in the most complete atomization of enrichment fuel possible. Super-fine atomization of enrichment fuel ensures maximum horsepower and eliminates fuel puddling that can cause intake backfires. Even the way the ZEX™ Nitrous System is activated is unique. Instead of relying on crude micro-switches or push buttons, the ZEX™ "wet" nitrous system uses advanced electronics to "learn" the throttle position sensor (TPS) voltage curve. It then programs itself for your specific vehicle and, when armed, will only activate the nitrous system at wide-open throttle. This ensures perfect engagement every time the nitrous system is used. Advanced features like this make the ZEX™ "wet" nitrous system the easiest to install, the most powerful, and the most reliable nitrous system on the market.

ZEX™ Dry Nitrous Oxide Kit

Dry nitrous oxide systems provide fuel enrichment by increasing the fuel pressure to the fuel injectors as the nitrous system activates.

ZEX™ has designed the ultimate "Smart" Nitrous Oxide System. The ZEX™ "Dry" Nitrous System, using ZEX™'s patented fuel control technology, reads the nitrous bottle pressure and adjusts the fuel enrichment accordingly. If it is a cool day out and the nitrous bottle pressure is around 700 psi range, the nitrous system will add less enrichment than if it is a warm day and the nitrous bottle is at 950 psi. This unique feature ensures that you always have the optimum ratio of nitrous oxide and fuel, never too rich, never too lean. This ensures maximum power and safety at all bottle pressures. Once armed, the kit is activated at wide-open throttle by a programmable electronic sensor that "learns" the voltage curve of your TPS sensor. This design ensures your nitrous oxide is engaged at the perfect throttle point every time. The design of ZEX™ "Dry" Nitrous System makes it the simplest, safest, and easiest to install nitrous oxide kit on the market.