Amber Performance are an Approved Forge Motorsport Reseller & Only sell 100% Genuine Forge Motorsport products. Smart Car Piston Ram Dump Valve and Fitting Kit. This kit includes everything that you will require to install the atmospheric dump/blow off valve to your 600cc petrol Fortwo's, all 700cc petrol Fortwo's, all Roadsters and the Crossblade up to early 2007 model year. Also included in this kit is a replacment silcone boost hose. The valve has been specially designed for this vehicle and uses twin springs and dual pistons to prevent the valve from leaking air into the intake system at idle with a 12mm inlet to ensure a faster air velocity so that it sounds fantastic.Please specify at point of order what colour hoses you require either Red, Black or Blue. 600cc petrol Fortwo's, all 700cc petrol Fortwo's, all Roadsters and the Crossblade up to early 2007 model year. These will not fit the Forfour, the 800cc diesel Fortwo or the new 999cc Fortwo. The item "FMSCDVK Forge Motorsport Piston Ram Dump Valve & Fitting Kit Smart Car" is in sale since Wednesday, September 16, 2015. This item is in the category "Vehicle Parts & Accessories\Car Tuning & Styling\Engine, Tuning & Chips\Other Engine Tuning". The seller is "amber-performance" and is located in Luton, Bedfordshire. This item can be shipped worldwide.