Airtec Motorsport Two-Piece Breather System for Focus Mk2 ST & RS audi-a4-b7-all-esi7278333 It demonstrates the perfect balance

It demonstrates the perfect balance between allowing for unrestricted airflow with our open filter housing whilst maintaining low IAT by cold air saturation with our scoop and shield combination

Ferodo Part Number: FDS1334

Enclosed air box ensures the lowest intake temperatures

AIRTEC Part No: ATINTHYU2

but by replacing the pipe for one without the baffled internals

Airtec Motorsport Two-Piece Breather System for Focus Mk2 ST & RS audi-a4-b7-all-esi7278333 It demonstrates the perfect balanceTuning levels on the Focus RS & ST have pushed the standard Ford oil filter housing to its limit, with the fragile diaphragm inside these housings splitting or leaking due to the clip on design, an upgraded breather system is required, the AIRTEC Motorsport two piece breather kit ticks all the boxes and more The AIRTEC Motorsport two piece breather kit includes the following: 1 x Modified & Baffled Ford oil filter housing, includes new oil filter