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Blow Off Valve - Polished

Made to mount on top of hard boost pipe. Vacuum port on top.
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Product Details

Specially built blow-off valve for 1.8T applications. Made to be mounted right on top of hard boost pipe.


  • Forge billet blow-off valve
  • Made from billet aluminum, this atmospheric diverter valve dumps the charge-air to atmosphere at a preset pressure, creating a Whoosh sound when the throttle is lifted. Unlike single piston or diaphragm diverter valves, the Forge valve uses counter balanced springs and dual pistons to prevent leaks and failures associated with single piston and diaphram-type diverter valves.


*Valve does not include hardware - Please see fitting kit es1832458 or es2695471*

This Part Fits the Following Vehicles

Make Model Submodel Engine
Audi TT MKI Quattro 180HP
Audi TT MKI Quattro 225HP
Volkswagen 337/20AE All 1.8T
Volkswagen Golf IV All 1.8T
Volkswagen Jetta IV All 1.8T
Volkswagen Jetta IV GLI All 1.8T
Volkswagen New Beetle All 1.8T
Volkswagen Passat B5 4 Motion 1.8T
Volkswagen Passat B5 FWD 1.8T
*The above product applications have been written by ECS Tuning. All warranties, product application, fitment, and performance are the responsibility of ECS Tuning. For additional information see the terms of use.

ECS Tuning is not affiliated with any automobile manufacturers.
Manufacturer names and/or part numbers are used only for identification purposes.

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