Induction Kit [Mk3 Focus ST] Option:Without Filter To help maintain the original

To help maintain the original vehicle’s NVH quality

EcoBoost 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

these butterfly throttles are standard fitment to the mountune-prepared GRC Supercar Lites engines which boast healthy engine performance figures in the region of around 305 bhp / 300Nm of torque

improved engine response

The latter of which neatly transitions the airflow and pipework diameter presented to the OE

Induction Kit [Mk3 Focus ST] Option:Without Filter To help maintain the originalThe mountune Performance mk3 Focus ST Induction Kit consists of a cast aluminium low loss crossover duct, available in a painted satin black finish (with a detailed fins and logo). Also included are a mountune silicone coupling hose, two high quality stainless steel clamps, and can be supplied either with or without a mountune high flow air filter. Features: Cast aluminum crossover duct Silicone coupling hose with high quality clamps Recommend to