This universal atmospheric blow-off valve features a dual piston design, creating a distinct sound. Constructed from lightweight, high-strength aircraft-grade Aluminum 6061, it ensures optimal performance. It is suitable for multiple models and includes a hard spring to support the 1.8T brushing first-order ECU. Ideal for various cars with a 25mm (.986 inch) inlet.

Key Features:

• Dual piston design for a distinct sound
• Made from aircraft-grade Aluminum 6061
• Supports 1.8T brushing first-order ECU
• Fits cars with a 25mm (.986 inch) inlet
• Professional installation recommended
• No instruction manual included

This blow-off valve is designed for those seeking top performance and compatibility with a variety of models. Its high-quality construction and versatile fit make it a reliable choice for enhancing your vehicle's performance.

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Universal Atmospheric Blow Off Valve Fit For Volkswagen VW BOV GTi Golf Audi Beetle Jetta A3 A4 A6 TT 1.8T