Forge Motorsport have developed an additional valve for the Ford Fiesta 1.0 Ecoboost. This is a twin piston blow-off valve. Under boost the valve has a clean crisp sound that will definitely get you noticed.
Machined from Billet aluminum the FMDV4 valve is completely tunable and serviceable to keep up with any other modifications as they progress. Installation is simple with full illustrated instructions.
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.
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