GFB T9025 RESPONS TMS ADJUSTABLE BIAS VENTING DIVERTER VALVE - FOCUS FOCUS RS MK1 Vauxhall Astra MK5 Designed to increase airflow on

Designed to increase airflow on the Focus MK3 ST-D as a replacement of the restrictive standard boost pipe

Spoiler CAP Audi A6 Avant / A6 Allroad / A6 S-Line Avant / S6 Avant C8 / C8 Facelift

8 16V 2000-2005 Vauxhall Zafira (A) 1

they fail to tackle the fundamental performance and reliability issues associated with the OEM diverter valve - all they do is redirect the vented air

GFB T9025 RESPONS TMS ADJUSTABLE BIAS VENTING DIVERTER VALVE - FOCUS FOCUS RS MK1 Vauxhall Astra MK5 Designed to increase airflow onAll the performance with or without the noise! If cars like yours typically suffer issues such as backfiring and stalling when using a fixed ratio atmosphere venting BOV, the Respons can help. By adjusting the venting bias to suit the car you can achieve a blow off sound without having to put up with the issues. Like all GFB valves, the Respons utilises GFBs proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle