GFB T9301 SEAT Leon Cupra Mk1 1.8T 1999 - 2006 Performance Diverter Valve 8" Subwoofer VW Golf Mk3 GTi and

VW Golf Mk3 GTi and VR6 models only

this is it

and a AntiVibe waveguide fitting ring to mount your speaker behind the factory gill and door card

aluminium dome tweeter

Dyno proven

GFB T9301 SEAT Leon Cupra Mk1 1.8T 1999 - 2006 Performance Diverter Valve 8" Subwoofer VW Golf Mk3 GTi andBrand New More about DV+ Performance Diverter RangeWHEN you want no noise, no nonsense, just performanceEuropean manufacturers are pushing their engines to the limit. Get a DV to match. GFBs DV+ diverter valve range offers a direct fit performance solution for the weak factory diverter valves used on many modern vehicles. PCT Patents Pending By retaining the factory ECU control and recirculating the vented air, the DV+ is a purely performance oriented