BOV Boost Pressure Discharge Valve for VAG 1.8T

Give your turbocharged VAG 1.8T engine the classic blow-off “PSSSSSTT” sound while protecting your turbo with this atmosphere-venting BOV. Designed for enthusiasts who want both performance and unmistakable turbo sound, this valve kit offers high quality workmanship and reliable boost control up to 1.7 Bar.

Fitment

• Dedicated to VAG group 1.8T engines

Material & Construction

• High quality workmanship (exact materials not specified)

Technical Specifications

• Input inner diameter: 20 mm
• External input diameter: 26 mm
• Outer end cap: 25 mm
• External vacuum: 5.5 mm
• Supports boost pressure up to 1.7 Bar

What’s Included

• BOV boost pressure discharge valve (atmosphere vent)
• Cap for air return line to the system

Installation Notes

• Ensure compatibility with your VAG 1.8T engine before installation. Use included cap to seal air return line as needed. General mechanical knowledge is recommended for installation.

FAQ

• Will this BOV work with the factory diverter valve setup?
  This BOV is designed to vent to atmosphere and includes a cap for the air return line, allowing you to replace the factory diverter valve setup on VAG 1.8T engines.
• Is any additional hardware required for installation?
  The kit includes the necessary cap for the air return line; standard hand tools and basic mechanical skills are recommended for installation.
• What kind of sound can I expect?
  This valve delivers the classic turbo blow-off “PSSSSSTT” sound when venting boost to atmosphere.