The best replacement for maf is map.

The best alternatives to maf are rated as following:
★★★★★  map
★★  map sensor
★★  afm
★★  mef
★★  speed density
★  mafless
★  vaf
★  mafless tune
★  saf
★  speed density mustang
★  speed density tpi
  infs
  o2 sensor
  mas
  sd dsm
  speed density dsm
  lt1 maf
  map which is better
  z32 maf
  map subaru
  speed density tuning

Your alternative for maf is not listed? Suggest!
Speaking about maf, one probably shouldn't forget about brake cleaner.

Other search terms related to maf and their ratings are:
★★★★★ brake cleaner
★ megasquirt
itb's
You have in mind a companion for maf and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of maf in all years. Click on graph for more.
maf
map
map sensor