Consistent ignition energy and precise fueling are vital when tuning the 2.3 EcoBoost engine for higher boost levels. As you push your RS Mk3, the factory direct injection pump can struggle to keep up with fuel demands. Prevent lean conditions and fuel starvation with an uprated HPFP (High Pressure Fuel Pump). Eliminate spark blowout across the entire rev range by upgrading to heavy-duty Coil Packs.