The In Car Boost Control Valve from Turbosmart is a compact unit for mounting within the drivers reach allowing instant adjustability of boost levels.On a turbocharged car the boost control is managed by the actuator on the wastegate which opens and diverts pressure away from the turbo once the inlet pressure reaches a certain limit. If this pressure signal from the inlet to the actuator is intercepted it is possible to control the inlet or boost pressure that the actuator will open at. By far the easiest and most cost effective way of controlling the amount of pressure going to the wastegate is with a manual boost control valve.All Turbosmart boost control valves are constructed from high quality brass and billet aluminium for excellent durability and great appearance and come complete with all fittings for an easy installation to suit all turbo vehicles, highly tuned or standard and both petrol and diesel. Boost controllers are an excellent tuning solution as an improvement in perfor