Add Wish List Choose Options Forge Motorsport Dump Valve Kit - VW Up! GTI and 1.0TSI Forge Motorsport Dump Valve Kit - VW Up! GTI and 1.0TSI - FOR-FMDV18 This valve kit allows the fitment of a fast response blow off valve on the VW Up 1.0 TSI/GTI engine. As the engine does not have a diverter valve fitted as standard, Forge... MSRP: £231.45 Choose Options Compare