"Warnings Exercise caution when using Nitrous. Make sure that: The fuel injectors have enough capacity to meet the fuel demands when nitrous is used. To use a relay between the ECU and nitrous solenoid. The minimum engine rpm and throttle position are sufficient so that the engine does not backfire when the Nitrous is switched on. If you start laughing uncontrollably, immediately switch the system off, stop the car and go to the nearest rave. "