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Nitrous FAQ



Q: How does nitrous work?
Nitrous Oxide is both a gas and a liquid. When compressed in a bottle it is a liquid and when injected into your air intake system it becomes a gas that causes a reduction in the air/fuel temperature, increasing the air density and the amount of fuel that can be burned, which results in more power.

Q: Is nitrous bad for my vehicle?
No. Like any performance upgrade proper installation and tuning is crucial. If an installation is done correctly and the proper adjustments are made to the vehicle you will not sacrifice durability or reliability.

Q: Why should I use nitrous rather than a turbo or supercharger?
Nitrous is the most economically efficient power-adder available. For a fraction the cost of a turbo or supercharger system you can produce a relatively unlimited amount of horsepower.

Q: Can I use nitrous in conjunction with turbo or supercharger system?
Yes, boosted applications love nitrous and Nitrous Outlet has a wide variety of systems and accessories specialized for boosted vehicles.

Q: What is a 100, 200, 300 shot?
"Shot" is slang for the amount of horsepower a system's jetting is producing. A 100 shot produces roughly 100 horsepower to the wheels.

Q: What is "jetting"
"Jetting" refers to the jet that dictates the amount of fuel and/or nitrous that is injected by a system. Jets are measured by orifice size, the bigger the orifice the more fuel and/or nitrous it can flow.

Q: What is the difference between WET and DRY systems and which is better?
A "wet" nitrous system injects fuel as well as nitrous whereas, a dry system injects only nitrous. Neither system is better or faster than the other. In most cases we recommend a wet system because tuning is generally easier tuning a dry system.

Q: Is nitrous oxide flammable?
No, nitrous Oxide is not flammable. However, the oxygen present in nitrous oxide supports the combustion of fuel allowing it to take place more rapidly.

Q: Does medical grade nitrous oxide give more of a performance increase?
No, the only difference between medical grade and automotive grade nitrous oxide is that the automotive grade has a minimal amount of sulfur dioxide added in order to deter substance abuse. Sulfur dioxide does not affect performance.

Q: Does nitrous oxide increase cylinder temperatures and pressures?
Yes, because nitrous oxide allows for more fuel combustion.

Q: Do I need to modify my fuel system in order to use nitrous oxide?
The majority of stock fuel pumps will sufficiently handle smaller nitrous applications. You should verify that your fuel pump can pump enough fuel to your stock fuel system (fuel injected, or carbureted), as well as being able to handle the additional fuel demanded by the nitrous and under full throttle conditions. Instead of upgrading a vehicles fuel system it is often cheaper and more efficient to use a dedicated fuel system for your nitrous system Nitrous Outlet provides state of the art custom dedicated fuel systems for most vehicles.

Q: What is a dedicated fuel system?
A dedicated fuel system is a fuel system that is separate from the main fuel system that feeds your motor and provides fuel for your nitrous system. A dedicated fuel system usually holds anywhere from 1/2 a gallon to 3 gallons of fuel and is mounted in the trunk or engine bay of a vehicle. In addition the dedicated fuel cell has its own fuel pump in regulator separate from the main fuel system.

Q: Do I need a purge kit?
Nitrous purge kits are used to clear the nitrous feed lines of unwanted air and vapor in order to get immediate and consistent power from your nitrous system. Purge kits are also used to evacuate pressure from the nitrous bottle. A purge kit is not 100% necessary, but it is one of the first system accessories we recommend.

Q: How much do nitrous refills cost?
Nitrous refills can range from $3.50 - $15.00 per pound depending on your location. Generally, nitrous refills are about $5.00 per pound.

Q: Where can I get my nitrous bottle refilled?
Many performance shops, specialty gas supplies, race tracks, and welding supply stores fill nitrous bottles.

Q: Is a nitrous system the biggest bang for my buck?
Yes, no other system in the world provides the amount of horsepower per dollar.

Q: How do I know how much nitrous I have left in the bottle?
The most accurate way to find out, is to weight the bottle and see how many pounds are left. For example a 10 pound bottle weighs 14.5 empty and 24.5 pounds when it is full, so if your bottle weighs 19.5 pounds your bottle is half full.

Q: Should I change my ignition system?
The majority of late model vehicles have ignition systems that are well suited for nitrous applications. In higher HP applications it is recommended to look into a higher quality ignition system.

Q: Why doesn't everyone use nitrous?
Nitrous systems are not for everyone, some people prefer other methods of gaining power or use their vehicle for other driving styles.

How much performance improvement can I expect from a nitrous system?
Depends on endless amounts of variables, but most customers will typically see a 1 - 2 second improvement in quarter-mile times sometimes more sometimes less depending of the size of the shot.