Sport GPF [Mk4 Focus ST] Duratec before being cloud-scanned and brought

before being cloud-scanned and brought into the digital world of CAD

Extensive temperature and pressure testing was carried out within an environmental test laboratory to ensure our revised design and core configuration was providing optimum cooling performance

Heavy duty

Works in harmony with all mountune power upgrades and is the recommended choice for vehicles running hybrid / larger turbochargers

Sport GPF [Mk4 Focus ST] Duratec before being cloud-scanned and broughtThe mountune Sport GPF for the Mk4 Focus ST has been developed as an effective way to reduce exhaust back pressure at the turbocharger, improving turbo response and releasing additional power and torque. Incorporating a larger diameter 3 bore entry and exit with a high flow GPF housed at its core, you can benefit from a substantial reduction in back pressure and in turn enhanced power and torque output across the entire rev range, whilst still