Turbosmart Kompact Shortie plumb back - VW Golf MK7 GTI/RPart number: TS 0203 1263 Turbosmart's new Kompact Shortie Blow Off Valve for the Mk7 takes performance to the next level. These valves are a high performance replacement for the Golf's standard diverter valve. Unlike the standard valve's plastic construction, they are machined from aircraft grade aluminium, and bolt straight up to the factory location, offering all the technology from Turbosmart's race bred BOV range in an OEM replacement package.