Twin Piston Aluminum Turbo Blow Off Valve for Audi VW SEAT

Introducing the Twin Piston Aluminum Turbo Blow Off Valve for Audi, VW, and SEAT — a 25mm port atmospheric BOV designed for 1.8T and other 4‑cylinder turbo engines across the VW Group. Crafted from billet aluminum, this valve vents boost to the atmosphere, delivering the iconic “woosh” on lift-off while sharpening throttle response and providing more reliable boost behavior than stock plastic diverter units. It’s a versatile upgrade that fits Audi, VW, SEAT, and compatible Skoda 1.8T engines with universal 25mm connections.

Built for performance and longevity, the valve offers a direct OEM replacement experience with a blanking plug for the recirculation pipe. It is fully serviceable, allowing you to maintain peak performance over time. By switching from a standard plastic diverter to this all‑aluminium, 25mm BOV, you’ll typically see crisper throttle response and more controllable boost dynamics during gear shifts and hard acceleration.

Benefits & Tips

• Enhances throttle response and turbo spool by venting to atmosphere, creating a distinctive lift‑off sound and a more responsive driving feel.
• Direct OEM replacement with a blanking plug provides a simple path to either vent‑to‑atmosphere or return to the intake depending on your setup and goals.
• Fully serviceable design helps maintain performance over time; professional installation is recommended to ensure proper fitment and seal integrity.

Product specifications

• Port size / Connection: 25mm
• Material: Billet aluminum
• Color: Black
• Type: Twin Piston Atmospheric Blow Off Valve (BOV)
• Application: Universal fit for turbo systems with 25mm connections; specifically suitable for VW SKODA & SEAT 1.8T engines and other 4‑cylinder VW Group applications
• OEM replacement: Includes blanking plug for recirculation pipe
• Features: Fully serviceable, vent to atmosphere action, provides the classic lift‑off noise
• Origin: Mainland China

Package includes:

• 1x Blow Off Valve

Warnings/Reminders

• Please allow a small measurement error due to manual measurement.
• All items should be fitted by a professional; no installation instructions are included for safety reasons. Professional fitment is mandatory.

All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.

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