Forge Motorsport is proud to present this Open Circuit Dump Valve Adapter for Nissan Juke, Renault 1.2 and 1.0 turbo engines and 2016 Smart ForTwo 0.9L with W453 turbo. The spacers have been developed to produce a superb dump valve noise on these cars, which are normally inaudibly quiet. This CNC machined spacer, from aluminum, gives you the sound you've been looking for. When you release the gas pedal you will hear that wonderful "pschhhht", which tells everyone that your car is well supercharged. It has been designed to work with the stock solenoid valve (component no. 144839204R) and uses high-quality O-rings for a perfect seal. Your car is equipped as standard with a closed-circuit dump valve that allows compressed air to be reinjected into the intake. The downside of this type of system is that the air fed back into the intake is hot. When you equip a vehicle with a dump valve adapter like this, it helps prevent the problem. This super compressed air exhaust solution comes with everything needed to be installed.