GFB Deceptor Pro II Electronic Diverter Valve

The GFB Deceptor Pro II Electronic Diverter Valve takes adjustable blow-off valve technology to the next level by allowing full in-cabin control of venting sound and performance.

Designed for a wide range of Mitsubishi, Subaru, and AWD turbo platforms, the Deceptor Pro II builds on the Respons TMS concept by adding electronic proportional control, giving drivers real-time adjustment of blow-off volume from silent operation to full atmosphere venting.

This system delivers performance, sound, and precision control in one compact OEM-replacement unit.

⚙️GFB Deceptor Pro II Electronic Diverter Valve Key Features

• In-cabin electronic blow-off sound control
• Fully adjustable venting bias (silent → loud)
• Compact design fits factory valve locations
• Direct bolt-on replacement for OEM diverter valves
• High-torque electric motor adjustment system
• Precision sealed internal gear mechanism
• Revised porting for improved airflow efficiency
• End-point adjustment for maximum vent control
• Plug-and-play wiring kit included
• Durable CNC-machined internal components

🚗 Vehicle Applications

• Mitsubishi Lancer EVO I–III (4G63)
• Mitsubishi Lancer EVO IV–IX (CT9A / CP9A / CN9A / CZ chassis)
• Mitsubishi Lancer EVO X (CZ4A)
• Mitsubishi Lancer Ralliart 4B11T models
• Mitsubishi GTO Twin Turbo 6G72
• Mitsubishi Legnum VR-4 EC5A / EC5W
• Mitsubishi Eclipse 2G 4G63T
• Subaru Liberty / Legacy GT BM / BR (MY10–14)
• Dodge Stealth Twin Turbo AWD platforms

🔩 Specifications

• Product Type: Electronic diverter / blow-off valve
• Technology: GFB Deceptor Pro II proportional venting system
• Control: In-cabin electronic adjustment
• Material: CNC-machined internal valve components
• Fitment: Direct OEM replacement (selected turbo models)
• Operation: ECU-controlled with electric motor adjustment
• Configuration: Fully adjustable venting bias

🏆 Perfect For

• Mitsubishi EVO performance builds
• Subaru turbo street and track setups
• Drivers wanting adjustable BOV sound control
• AWD turbo enthusiasts seeking OEM+ reliability
• High-boost tuned applications requiring precise boost management