Replacement Air Filter for Focus Mk2 - ST225 CAIS and ST225 Group A Audi A3 0 EcoBoost get a much

0 EcoBoost get a much Air into the engine as possible

Whats in the kit

without sacrificing ride quality

If your packaging lists a longer period

Insulate your Toyota Celica st185 turbo to reduce excess heat within your engine bay

Replacement Air Filter for Focus Mk2 - ST225 CAIS and ST225 Group A Audi A3 0 EcoBoost get a muchSmall 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