Ford Focus RS gets power upgrade from Stoffler
The Germans at Stoffler managed to create a performance tuning kit for the Ford Focus RS. The 2.5-liter engine that standard equips the American model develop 305 horsepower and 440 Nm of torque but the tuners from Stoffler managed to increase these figures by recalibrating the ECU unit, mounting a bigger intercooler and improving the downpipe. Thus, the Stoffler Ford...