Go Fast BIts Deceptor Pro II Motorised Blow Off Valve w/TMS Advantage Adjust In Cabin Subaru WRX 2015-2021 | T9507

Product Fitment:

2015-2021 Subaru WRX

Take full control of your turbo system’s sound and performance with the GFB Deceptor Pro II. Designed for the Subaru WRX this motorized blow-off valve gives you real-time, in-cabin adjustability between full recirculation and full atmospheric venting — all without lifting the hood.

Key Features

• In-Cabin Electronic Control – Adjust the venting bias between 100% recirc and 100% atmosphere with a simple turn of the dial.

• Silent or Loud, Your Choice – Easily control BOV noise output to suit daily driving or spirited performance.

• High-Torque Servo Motor – Powers the valve with precision, ensuring accurate venting behavior at all times.

• Premium Construction – Machined for durability with optimized internal porting for smooth flow and consistent performance.

• Bolt-On Fitment – Designed to directly replace the factory bypass valve on select Subaru FA20-powered vehicles.

Performance Benefits

• Instant Adjustment – Switch from stealth mode to full turbo flutter on the fly.

• Improved Response – Reduces compressor surge and helps maintain boost between shifts.

• Customizable Driving Experience – Dial in your preferred balance of performance and sound without tools.

• Better Than Manual BOVs – Offers consistent performance with zero guesswork or mechanical adjustment under the hood.

Installation & Tuning Notes

• Professional Installation Recommended – Wiring the control unit and servo motor may require basic electrical knowledge.

• Tuning May Be Required – Vehicles with MAF sensors or altered boost curves should be monitored for optimal air-fuel ratios.

• Legal Notice – Atmospheric venting may not comply with emissions regulations in all regions — check local laws before use.

• Maintenance-Free Design – Built for reliability, no frequent servicing required under normal use.

What’s Included

• GFB Deceptor Pro II Blow-Off Valve (Part #T9507)

• In-Cabin Dial Controller (Backlit)

• Electrical Wiring Harness

• Mounting Hardware & Hose Fittings

• Detailed Installation Instructions

The GFB Deceptor Pro II (T9507) is the ultimate blow-off valve upgrade for enthusiasts who want full control over their turbo sound and performance. Whether you’re trying to stay quiet for daily commutes or unleash the signature BOV "whoosh" at the track, this motorized, in-cabin adjustable valve gives you the flexibility and performance edge you're looking for — all with OEM-level fit and finish.