Iridium Spark Plug Set [Mk3 Focus RS] Brake Upgrade Extensive in-market validation at extreme

Extensive in-market validation at extreme boost / cylinder pressures was undertaken to ensure optimal performance was achieved

and was also subject to extensive rig testing

The mountune High Flow Aluminium Intake and Turbo Entry Hard Pipes for the mk7 Fiesta ST have been engineered to increase air flow to the turbocharger

Lifetime warranty against manufacturing defects

Also included are a mountune silicone coupling hose

Iridium Spark Plug Set [Mk3 Focus RS] Brake Upgrade Extensive in-market validation at extremeEcoBoost engines running substantially higher boost pressure or increased levels of tuning compared to the OE power output can experience reduced spark plug life resulting in lower engine performance, misfires and rough idle. Increased wear is typically seen in the form of increased spark plug gap and degradation of the electrode. Using spark plugs that are optimised for increased power ensures maximum performance. Extensive in market validation at