The best replacement for 2 step is anti lag.

The best alternatives to 2 step are rated as following:
★★★★★  anti lag
★★★★★  launch control
★  transbrake
★  uk garage
  trans brake
  happy feet

Your alternative for 2 step is not listed? Suggest!
Speaking about 2 step, one probably shouldn't forget about transbrake wiring.

Other search terms related to 2 step and their ratings are:
★★★★★ transbrake wiring
You have in mind a companion for 2 step and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of 2 step in all years. Click on graph for more.
2 step
anti lag
launch control