AIRTEC Motorsport Hot Side Lower De-res Pipe for Fiesta Mk8 ST-200AIRTEC Motorsport hot side lower boost pipe for Fiesta Mk8 ST 200 Designed to increase airflow on the Fiesta Mk8 ST 200 as a replacement of the restrictive standard boost pipe, the AIRTEC Motorsport hot side boost pipe creates a much smother air flow by replacing the restrictive bends and smaller diameter pipe. Features: Swaged ends to prevent blowing of on bigger power cars. Will work perfect with standard or re mapped Fiesta STs. To fit with both,