GFB T9505 Deceptor Pro II Electronically Adjustable BOV Blow-Off Valve

The GFB Deceptor Pro II is an innovative blow-off valve that allows you to control venting sound from inside your cabin with the touch of a dial. This dual-valve system includes both a blow-off valve and diverter valve in one compact unit, giving you complete control over your boost control sound profile.

Electronic Venting Bias Control:

• Adjustable venting bias electronically on-the-fly from silent operation to full atmospheric venting
• Sleek, compact in-cabin controller with backlit dial for easy adjustment while driving
• End point adjustment allows you to set maximum vent-to-atmosphere bias
• High-torque geared electric motor drives the volume adjustment mechanism
• Remote proportional control lets you dial in any sound level between silent and loud

Performance Features:

• Revised internal porting optimizes airflow and venting bias for improved response
• New bore finishing process ensures smooth, reliable operation for the lifetime of the valve
• Durable, low-friction gear train supported by precision sealed ball bearings
• Compact design fits in most factory blow-off valve locations
• Direct bolt-on installation for many popular turbocharged vehicles

The Deceptor Pro II includes two valves plus all mounting hardware and wiring required for quick, straightforward installation. This system gives you the flexibility to run silent during daily driving and switch to aggressive venting sound when you want to hear your turbo work.