Go Fast Bits 02-07 WRX / 04-21 STI / 06-08 FXT Deceptor Pro II Electronically Adjustable Blow Off Valve | T9503

Built on the patented Respons & TMS technology, the Deceptor Pro II takes the Respons concept even further! How? The action of adjusting BOV volume is automated using a high-torque electric servo-motor, so you can now adjust the volume of your blow-off valve, from inside the car! Every turbo-car owner knows that while making noise is fun, there are times when you’d prefer to be seen, but not heard!

The modern and compact volume controller, with its subtly backlit volume dial, controls a high-torque servo motor which is geared to the aircraft-grade aluminum internal rotating sleeve via a precision ball-bearing supported gear train. As this sleeve rotates, it alternately opens and closes the two venting outlets (one outlet vents to atmosphere, the other plumbs back to the turbo inlet) to divert the air in any ratio the user chooses. At each end of the rotation, either the trumpet or plumb back outlet is fully open, the other fully closed. Any combination of venting in between these two extremes is possible to achieve full, proportional volume control, from silent to very loud!

Blow-off Valves Deceptor Pro II – Now you can control the sound of the BOV from inside the cabin!

So how much more can you do with a blow-o ff valve?

Well, the Deceptor Pro II takes the ‘Respons’ concept even further:

• Adjust your BOV venting bias electronically on-the-fly
• Revised porting to optimise flow and venting bias
• Compact design fits in most factory valve locations
• Direct bolt on for many vehicles
• New bore finishing process ensures a lifetime of reliable operation

Deceptor Pro II features

• Remote proportional venting bias/volume control- from silent to loud or anywhere in between
• Sleek, compact in-car BOV volume controller with backlit dial
• End point adjustment to control maximum vent to atmosphere bias setting
• Volume adjustment mechanism driven by a high-torque geared electric motor
• Durable, low-friction ger train supported by precision sealed ball-bearing
• Supplied with all parts and wiring required to have it up and running quickly and easily

Fitment:

• 2002-2007 Subaru WRX
• 2004-2020 Subaru STI