GFB T9654 DVX BLOW OFF VALVE - FORD FOCUS MK3 ST250 Renault Megane MK2 RS 225 and the metal valve stem

and the metal valve stem that slides in the plastic cap can stick

Please check voids of your original mount are the same as the image shown for correct fitment

8 TSI 2013-2021 VW Golf GTi (MK7) 2

FRONT SPLITTER V2 VW GOLF MK8

by utilising those supports

GFB T9654 DVX BLOW OFF VALVE - FORD FOCUS MK3 ST250 Renault Megane MK2 RS 225 and the metal valve stemIncreased boost holding and throttle response with total volume control! GFBs DVX range takes the extremely popular DV+ Diverter Valve performance and fit, then adds our patented Venting Bias Adjustment Systems from the Respons range of valves. This feature allows you to infinitely vary how much air is recirculated, and how much is vented to atmosphere, giving you total control over your blow off sound completely adjustable from silent to ear