High Flow Valve for K03 Turbo on Audi, VW, and SEAT TFSi Engines



We recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner

A high flow vacuum operated single piston valve for Audi, VW, and SEAT (VAG) 2.0 litre Petrol engines with the K03 turbo (the OEM valve is fitted directly to the turbo). Designed primarily to ensure that high volumes are discharged quickly. 

This Valve is for atmospheric use only.

In The Box:
1 x VW Plastic Pipe (1KO14577OP)
1 x Wiring Harness/Loom
1 x Solenoid, Bracket, and Screws
1 x Blanking Plug
1 x 2000mm of 4mm Vacuum Tube
1 x PCV Adaptor Kit
1 x Silicone Straight (25mm x 65mm)
1 x Silicone Bend Hose #1187
2 x 35mm Hose Clamps
2 x 45mm Hose Clamps
1 x Vacuum Tap, Gasket, and Bolts.
10 x Cable Ties
1 x Instructions
1 x Forge Sticker

If you wish to tune this product to fit the needs of your engine, please see the spring tuning kit below.



  • Audi
    • A3 > 2.0 FSiT
  • Seat
    • Leon > Mk2 2005-2012 > Cupra 2.0 TFSi
  • Volkswagen
    • Golf > MK5 > GTI