Smart Car Piston Dump Valve and Fitting Kit | Forge

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 the early 2007 model year. Also included in this kit is a replacement silicone boost hose.

These will not fit the Forfour, the 800cc diesel Fortwo or the new 999cc Fortwo, , including the 999cc Fortwo Brabus.

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 choose the hose colour using the options above.

In The Box:
1 x FMSCDVK Valve
1 x 5mm T Piece
1 x 500mm of 4mm Vacuum Tube
3 x Cable Ties
1 x 35mm Hose Clamp
2 x 55mm Hose Clamp
1 x Silicon Boost Hose, with Valve Take Off
1 x Instructions
1 x Forge Sticker

If you wish to tune this product to fit the needs of your engine, please see the spring tuning kits below.

If you are unsure if this product is suitable for your application, please contact us.