Ford Focus RS customers in the U.K. can now further enhance the performance of the award-winning hot hatch, with Ford Performance by Mountune power upgrade.
Ford Performance announces new reliable and street-legal Focus ST mountune upgrade kit, taking the Focus ST up from 252bhp to 275bhp
Ford is now offering factory-spec EcoBoost reflashes that won't void the warranty - making room for a new kind of aftermarket tuning.
Tuners McChip has given the Ford Focus RS yet another performance package, this time boosting the hot hatch’s power output up to 401bhp
German tuners Loder1899 has given the Ford Focus RS even more oomph by upgrading the hot hatch to produce even more horsepower