Forge Dual Piston Ram Dump Valve
Suitable for most turbo cars with an Air Flow Meter.
Made from billet aluminium, this atmospheric diverter valve dumps the charge-air to atmosphere creating the "Whoosh" sound when the throttle is lifted. This increases both quicker throttle response and higher clamping load to maintain boost pressure more reliably. Unlike single piston or diaphragm diverter valves, this uses counter balanced springs and dual pistons to prevent the valve from leaking air into the intake system at idle. This prevents our diverter valves suffering any of the failures associated with single piston and diaphragm type diverter valves.
All Forge Motorsport Dual-Piston Atmospheric Valves have been designed and built with the intent of venting 100% of the residual charge air remaining in your forced induction system to the atmosphere at throttle lift. While we have incorporated many elements into the design of the Dual-Piston valves to aid in their compatibility with mass air-flow sensor equipped vehicles, we cannot always guarantee that each individual’s application will be compatible with a valve that vents the charge air into the atmosphere.
Forge Motorsport nor any of it’s Authorised Distributors can assume any responsibility for any adverse effects resulting from the installation of this valve onto a vehicle whose engine-management-system, whether factory or aftermarket, is not capable of compensating for the loss of metered air through a vent-to-atmosphere valve such as this.
In The Box:
1 x FMDV004 Valve
1 x Forge Sticker
This product is compatible with the following vehicles
| Vehicle Make | Vehicle Model | Vehicle Variant | From | To | Engine | Notes |
| Fiat | Punto | 176 | 1994 | 2000 | 176A4.000 | 1.4L GT - FWD Petrol |
| Fiat | Punto | 176 | 1994 | 2000 | 176B6.000 | 1.4L GT - FWD Petrol |
| Fiat | Uno | 146 | 1985 | 1988 | 146A2.000 | 1.3L Turbo - FWD Petrol |
| Fiat | Uno | 146 | 1988 | 1990 | 146A2.000 | 1.3L Turbo - FWD Petrol |
| Fiat | Uno | 146 | 1990 | 1994 | 146A8.000 | 1.4L Turbo - FWD Petrol |
| Nissan | 200 Series | 200SX | 1989 | 1992 | CA18DET | 1.8L Non Catalyst S13 - RWD Petr |
| Nissan | 200 Series | 200SX | 1992 | 1994 | CA18DET | 1.8L Catalyst S13 - RWD Petrol |
| Opel | Calibra | Turbo | 1992 | 1998 | C20LET | 2.0L - 4WD Petrol |
| Vauxhall | Cavalier | SRi | 1987 | 1988 | 20SEH | 2.0L 130/Calibre - FWD Petrol |
er the last fifteen years Forge Motorsport have grown in to one of the UK's premier manufacturers of products and accessories for race, competition and road vehicles. When you purchase from Forge Motorsport you are assured of quality products and a service to match. If you require a particular product that is not listed in this catalogue or on the web site, please call or email and we will gladly assist with any queries.
All Forge products are guaranteed for life with the Forge "No Hassle" service promise.
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Forge Motorsport
- Product Code: FMDV004
- Verfügbarkeit 2-3 Tage
- RRP: €138,24 (incl. Tax)
- Ex Tax: €116,17