Our professionell 1.8T Tuning Kit Step 3 for all 150 or 180hp engines like in the Golf 4, Audi A3, Audi TT or Seat Ibiza and all other 1.8T: -K&N Air Filter -Aluminium Pop-off valve BAR-TEK -KKK K04-001 RS Upgrade Turbo BAR-TEK -Upgrade exhaust manifold -Bosch 380ccm injectors Power increase is depending of engine base setup. Please specify engine code after order. Manufacturer Information about the manufacturer BAR-TEK BAR-TEK Motorsport GmbH Im Rauschen Auel 3, 51491 Overath-Brombach, Germany info@bar-tek.com