Blow Off Valve Adaptor for Audi A3 1.4-2.0 TSI Aluminum Polished for Turbo Boost System

Upgrade your turbo system with the Audi A3 Blow Off Valve Adaptor for 1.4-2.0 TSI Aluminum. This polished aluminum adaptor replaces the factory plastic diverter valve, offering a durable, heat-resistant upgrade that improves response under boost, reduces valve fatigue, and helps maintain consistent turbo performance across RPMs. Built for reliability, it’s designed to withstand the stresses of daily driving and spirited corner-to-corner acceleration alike.

Designed for a broad range of VAG turbo applications, the adaptor accommodates Audi A3 1.4/1.8/2.0 TSI/FSTi Turbo and numerous related models, ensuring a versatile solution for performance enthusiasts. The dual-piston design delivers smooth, predictable boost control, while the 25 PSI operational rating suits a variety of tuning setups. With a corrosion-resistant polished aluminum body and a 1" (25 mm) inlet, it blends durability with a clean, performance-focused look under the hood.

Key benefits include improved throttle response, reduced risk of diverter valve failure, and a more consistent, confident boost delivery during hard acceleration or rapid gear changes. By replacing the fragile plastic valve, you’ll experience longer valve life and better reliability in demanding driving conditions. This part replaces the standard plastic valve that is prone to failure, helping you avoid unexpected boost loss and downtime.

Note: This part does not fit the twin charged 1.4 engine (Turbo and Supercharger). It’s easy to install, but professional installation is strongly recommended to ensure optimal fitment and performance.

Benefits & Tips

• Enhanced boost stability: Dual pistons provide consistent response, reducing surge and keeping turbo performance steady under load.
• Durable upgrade: Polished aluminum body resists heat and corrosion for long-term reliability in demanding driving conditions.
• Broad compatibility: Suitable for a wide range of VW Group models listed in the application notes, making it a versatile upgrade for multi-car enthusiasts.

Product specifications

• Operational up to: 25 PSI
• Material/Body: Polished Aluminum
• Design: Dual Piston Type
• Inlet: 1" (25 mm) O.D
• Color: Silver, Black
• Application: For Audi A3 1.4/1.8/2.0 TSI/FSTi Turbo; also compatible with For Audi A3 2.0 Turbo, For Audi A4 1.8/2.0 Fsi Turbo, For Audi A6 2.0 Fsi Turbo, For Audi S3 2.0 Turbo 8P / 8V, For Audi TT Mk2 2.0 Turbo, For Audi TT MK2 TTS 2.0 Turbo, For SEAT Altea 2.0 Turbo, For SEAT Leon 1.4 Turbo TSI 125, For SEAT Leon 2.0 Turbo FSiT, For Skoda Octavia 1.4 Turbo 140, For Skoda Octavia 2.0 Turbo, For Volkswagen Beetle 2013 2.0 Petrol Turbo, For Volkswagen Golf MK5 1.4 Turbo 140, For Volkswagen Golf Mk5 GTI 2.0 Turbo, For Volkswagen Golf Mk5 GTI Edition 30 ED30, For Volkswagen Golf Mk6 GTI ED35 2.0 Turbo, For Volkswagen Golf R MK6 2.0 Turbo, For Volkswagen Passat 1.8/2.0 Fsi Turbo, For Volkswagen Scirocco 2.0 Turbo, For Volkswagen Scirocco R 2.0 Turbo
• Included hardware: Replaces the plastic diverter valve to improve reliability

Package includes:

• 1 x Blow Off VALVE Adaptor
• 3 x M6x40 Socket Cap Bolts

Warnings / Reminders

• This part does not fit the twin charged 1.4 engine (Turbo and Supercharger).
• Professional installation is strongly recommended; we take no responsibility for DIY installation.
• All items are Brand New unless stated otherwise in the listing.

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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