More about Deceptor Pro feature-1Now 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 ÔResponsÕ 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