Startseite » VW Golf MK4 Jetta A4 B5 Blow Off Valve Dual Piston 25mm Aluminum

VW Golf MK4 Jetta A4 B5 Blow Off Valve Dual Piston 25mm Aluminum

SKU: 1005008047603234-Silver
Color
€47,11
-38% €75,38 €47,11

Upgrade your VW’s turbo system with the PQY5741 25mm Dual Piston Blow Off Valve, engineered specifically for VW Golf MK4, Jetta A4, and B5 1.8T setups. This BOV features a polished aluminum body and a dual-piston design that delivers precise boost venting, helping to prevent compressor surge and delivering crisp throttle response during hard shifts and rapid throttle changes. The valve is available in silver or black with a matching black adapter, providing a clean, performance-focused look under the hood. Each unit undergoes 100% quality testing before leaving the factory to ensure dependable performance every time you hit the gas. Designed for easy installation with a 1" (25mm) inlet, it’s a straightforward upgrade for enthusiasts looking to improve driveability and the distinctive turbo flutter or whoosh you expect from a high-quality blow-off valve.

Benefits & Tips

  • Enhanced throttle response: Quick, controlled venting of boost reduces turbo lag and smooths power delivery during gear changes.
  • Reduced compressor surge: Dual pistons balance venting pressure for stable boost release on 1.8T engines, improving overall turbo control.
  • Simple upgrade with included hardware: The 1" (25mm) inlet and the provided 25mm adapter make installation straightforward on compatible outlets. Includes 1x Bind Plug (25mm) and 1x Polished BOV for a complete, ready-to-install package.

Product specifications

  • Brand: PQY
  • Model: PQY5741
  • Application: VW Golf MK4, Jetta A4, B5 with 1.8T turbo
  • Type: Dual Piston Blow Off Valve
  • Material: Polished aluminum body
  • Inlet: 1" (25mm) O.D
  • Operating pressure: Up to 25 PSI
  • Color options: Silver, Black
  • Number of Cylinders: 4
  • Origin: Mainland China
  • Notes: 100% tested before shipment

Package includes:

  • 1x Bind Plug (25mm) (100% Brand New Never Used Or Installed)
  • 1x Polished BOV

Warnings / Reminders

  • Operational up to 25 PSI. Use within the specified limits and ensure proper fitment for your 1.8T turbo system.

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