The best replacement for nitrous is turbo.

The best alternatives to nitrous are rated as following:
★★★★★  turbo
★★★★★  supercharger
★★  blower
★★  supercharger mustang
★  co2
★  methanol
★  procharger
★  iweb boost
★  methanol injection
★  forced induction
★  cloud9
★  nitric
★  ghost whisperer
★  koding
★  dry nitrous
  supercharging
  dry
  ketamine
  mower
  iwebboost
  meth water injection
  iv sedation
  turbo which is better
  propane diesel
  lawnmower
  wet nitrous
  supercharged
  turbo ls1
  nitrogen
  water methanol
  hyper pistons

Your alternative for nitrous is not listed? Suggest!
Speaking about nitrous, one probably shouldn't forget about turbo.

Other search terms related to nitrous and their ratings are:
★★★★★ turbo
★★★★ methanol
★★★★ supercharger
★★★ e85
★★ hypereutectic pistons
★★ cast pistons
★★ high compression
★★ methanol injection
★ itbs
★ blower
★ procharger
★ mechanical fuel pump
★ transbrake
★ purge
★ propane
★ dual plane intake
carburetor
water injection
superchargers
You have in mind a companion for nitrous and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of nitrous in all years. Click on graph for more.
nitrous
turbo
supercharger