Nitrous Oxide is not called NOx or NO2. Nitrous Oxide is N2O and is not called or referred to EVER by anybody as NOx or NO2. It's Nitrous for short. Some people like to refer to it as NOS which is like calling all Tissues "Kleenex". NOS is a name brand owned by Holley which stands for "Nitrous Oxide Systems" who make a large variety of nitrous kits for cars. NO2 is Nitrogen Dioxide which is...


