09D HVF Charge Pipe Kit [Focus ST Mk4/4.5] Chassis & Suspension ZERONINE Design embroidered logo

ZERONINE Design embroidered logo

featuring a brushed matte finish

Unlock performance

protecting pistons

09D HVF Charge Pipe Kit [Focus ST Mk4/4.5] Chassis & Suspension ZERONINE Design embroidered logoThe ZERONINE Design HVF (High Volume Flow) charge pipe upgrade kit for the Mk4 Focus ST removes multiple restrictions found in the OE air charge components, substantially improving airflow and reducing the pressure drop across the charge system. The OE components feature multiple complex sections which taper down or narrow in diameter by as much as 50% and uses a restrictive sound resonator section all of which inhibit airflow and cause unwanted