Go Fast Bits Deceptor Pro II Electronically Adjustable Blow Off Valve 

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-off 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*

Direct bolt-on for most vehicles available:
* 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