Replacement Air Filter for Focus Mk2 - ST225 CAIS and ST225 Group A

Small Group A style cotton air filter, to fit multiple different applications. Fits the following models:

• Focus Mk2 RS Stage 2 Carbon Fibre CAIS induction kit
• Focus Mk2 ST225 CAIS induction kit
• Focus Mk2 ST225 Group A induction kit

Choose from AIRTEC spec cotton filter or genuine K&N replacement filter.

*Please note, K&N RU-2800 will fit Focus ST225 Group A induction kit ONLY

TRUMPET NOT INCLUDED