it CAN work, and will work, they tested it themselves.....to an extent.
People get hung up on how sensitive the F4R is to modifications, an air filter isnt going to blow it up. Although i have seen one case where something along those lines has caused detonation, but the proof wasnt substantiated beyond a guess.
However, you will always get the best out of any modification by altering the fueling and ignition curves, but it isnt 100% neccesary unless you carry out a level of mods which WILL undoubtedly push the engine into lean running conditions.