Airtec Motorsport Induction Kit for Mk4 Focus St 2.3 Ecoboost Filter Option(S):Standard Cotton Filter For Focus ST 225 –

For Focus ST 225 – MUST Be fitted with 2

Improved throttle responseIncreased powerKeeps charge temps down2

and went through several design evolutions during the development stage

the standard airbox or indeed any other aftermarket intake system

thus allowing more time to cool the air within the cooler itself as air passes through the non-pressurized face of the core

Airtec Motorsport Induction Kit for Mk4 Focus St 2.3 Ecoboost Filter Option(S):Standard Cotton Filter For Focus ST 225 –TECHNICAL DATA As part of our expanding Mk4 Focus platform product range, AIRTEC Motorsport is proud to launch our intake kit for the ST model to improve performance with a simple, bolt on modification for track or fast road use. This freer flowing induction kit replaces the cars original air box and restrictive intake set up. It features our Group A cotton filter that significantly improves the cars breathing by increasing the amount of cold air it