Turbosmart Blow Off Valves are manufactured with a focus on performance and reliability. Turbosmart Blow off valves (also known as diverter valves, recirc valves, DV's etc) are made in Australia from tough and durable billet aluminium. Turbosmart offers a complete range of solutions from OE Replacement and heavy duty upgrades through all performance and street applications, race and of course for motorsport use. The Kompact range from Turbosmart are a range of upgraded valves to suit road cars, for normal and high performance and tuned use. The Kompact range of BOV's includes the Kompact EM (Electro-Mechanical) series which takes the best of a mechanical valves reliability and adds integration with factory control electronics and strategies. The Kompact range from Turbosmart relies on Turbosmart's proven positive seal piston , boost-balance system for years of reliability and trouble free motoring. The BOV5 range, our 5th iteration of a true performance valve, shares the same boost-balance, positive seal piston technology as the Kompact Range. High flowing than the Kompact range for higher Horsepower setups with a huge list of bolt-on, model specific and Universal Applications. The BOV 5 range bridges the gap in the space between street and race where greater flow is needed in higher performance applications. For high horsepower and no compromise, Turbosmart offer the Raceport, Power Port and Big Bubba Ranges. With solutions based on both positive seal piston and diaphragm style valves, there are solutions for every application!