The Diverter/Blow-Off Valve Mounting Kit is purpose-built for FWD 2.0T FSI owners who want to ditch the factory electronic diverter valve setup in favor of a proven, leak-free mechanical solution. Engineered specifically for the transverse engine bay layout found in the Golf, Jetta, GTI, and Audi A3, this kit gives tuners the freedom to run the diverter or blow-off valve of their choice without compromising boost retention. It’s the ideal upgrade path for anyone chasing consistent boost control and eliminating the reliability concerns tied to the stock electronic unit.

Specifications

• Piping Material: TIG-welded stainless steel
• Piping Construction: Mandrel bent
• Piping Finish: Electro-polished
• Pipe Color Availability: Black Powder Coat only
• Inlet/Outlet Connection Size: 1″ (25mm)
• Diverter Valve Compatibility: Any conventional mechanical diverter valve using 1″ (25mm) inlet/outlet connections
• Silicone Connector Color Options: Red, Blue, Black
• Recommended Pairing P/N: ATP-VVW-172 (block-off device for stock electronic diverter)
• Recommended Pairing P/N: ATP-VVW-171 (high flow inlet pipe kit with recirculation provision)

Performance & Application

This kit is designed for 2.0T FSI turbo engines mounted transversely in FWD platforms, giving enthusiasts a direct path to installing a mechanical diverter or blow-off valve without relying on the factory electronic unit. By moving away from the stock electronic diverter valve, drivers eliminate a common source of boost leaks that can rob performance and consistency under load. This solution is best suited for builds where a proven mechanical valve is preferred for reliability, and it pairs seamlessly with complementary components designed to fully block off and recirculate through the stock system’s replacement.

Compatibility & Fitment

• Volkswagen Golf 2.0T FSI (FWD, transverse engine)
• Volkswagen Jetta 2.0T FSI (FWD, transverse engine)
• Volkswagen GTI 2.0T FSI (FWD, transverse engine)
• Audi A3 2.0T FSI (FWD, transverse engine)

What’s Included

• Piping assembly
• Silicone connectors
• Clamp kit

Frequently Asked Questions

What diverter valves can I use with this kit?

Any conventional diverter valve on the market that utilizes 1″ (25mm) inlet/outlet connections can be used with this mounting kit. Unconventional