BOV Boost Pressure Discharge Valve

For turbo enthusiasts seeking the unmistakable PSSSSSTT blow-off sound and reliable turbo protection, this BOV boost pressure discharge valve delivers both performance and character. Designed to vent excess boost to atmosphere, it’s engineered for those who want audible feedback and peace of mind under boost.


Fitment

  • Universal fit for turbocharged vehicles using a valve with 20mm input inner diameter and 25mm input outer diameter. Designed for setups requiring atmospheric venting and a cap for the air return line.

Material & Construction

  • High quality workmanship

Technical Specifications

  • Maximum boost pressure: up to 1.7 Bara
  • Input inner diameter: 20mm
  • Input outer diameter: 25mm
  • Cap outer diameter: 25mm
  • Vacuum port outer diameter: 6mm

What’s Included

  • BOV boost pressure discharge valve with atmospheric air vent
  • Cap for air return line

Installation Notes

  • Ensure all connections are secure and compatible with your vehicle’s boost piping. Check for leaks after installation and use the included cap to properly seal the air return line if required.

FAQ

  • Does this BOV vent to atmosphere or recirculate air?
    This valve vents excess boost pressure directly to atmosphere for the signature blow-off sound.
  • Is a cap for the air return line included?
    Yes, the kit includes a cap to block off the air return line if your setup requires it.
  • What boost levels can this valve handle?
    This valve is rated for use up to 1.7 Bara of boost pressure.

Vehicle Compatibility

Brand Model Generation / Chassis Engine
Audi A4 - -
Audi GOLF - -
Audi S4 - -
Volkswagen A4 - -
Volkswagen GOLF - -
Volkswagen S4 - -
TURBOWORKS

TURBOWORKS

Turboworks is a Polish manufacturer and supplier of performance turbochargers and forced-induction components. Based in Rzeszów, Poland, Turboworks engineers and balances their turbochargers in-house, offering T3/T4, GT, and ball-bearing turbo units for a wide range of turbocharged street and motorsport applications.

Official page: turboworks.pl

TurboWorks Blow Off Valve for Audi A4, S4, Golf - 1.7 Bar

Brand: TURBOWORKS Product id: 66066 MPN: CN-BO-022
EAN: 5903713009863
Availability: Ready to ship
36.72€
36.36€ Excl. VAT: 30.05€
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Tags: Turbo\Blow Off\TurboWorks,

Brand Model Generation Engine
Audi A4 - -
Audi GOLF - -
Audi S4 - -
Volkswagen A4 - -
Volkswagen GOLF - -
Volkswagen S4 - -

TURBOWORKS

Turboworks is a Polish manufacturer and supplier of performance turbochargers and forced-induction components. Based in Rzeszów, Poland, Turboworks engineers and balances their turbochargers in-house, offering T3/T4, GT, and ball-bearing turbo units for a wide range of turbocharged street and motorsport applications.

Official page: turboworks.pl