Carbon Rear Intake [Mk4 Focus ST] mtune • Externally adjustable PRV

• Externally adjustable PRV

but here's the key performance highlights:

Compatible with 100PS / 125PS / 135PS and 140PS (Red and Black) models

red and orange

Carbon Rear Intake [Mk4 Focus ST] mtune • Externally adjustable PRVThe mountune carbon fibre rear crossover kit replaces the OE unit with a high flowing, heat resistant unit which not only boosts airflow, but also significantly enhances engine bay aesthetics. The kit includes two silicone induction hoses, allowing it to be used with either the mountune carbon induction kit, or with the OE airbox for those who like their induction sound a little more subtle. The full kit includes the carbon fibre crossover pipe with