About this range
Deceptor Pro II T9535 Diverter / Blow Off Valve with Electronic Sound Adjustment System for Nissan Applications
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
Vehicle Applications
Deceptor Pro II T9535 Diverter / Blow Off Valve with Electronic Sound Adjustment System for Nissan Applications also suits:
- NISSAN 180SX S13 2.0 SR20DET
- NISSAN 300ZX Z32 VG30DETT 89-97 Note : 2 valves required
- NISSAN 300ZX Z32 VG30DETT 89-97 Note : 2 valves required
- NISSAN GTi-R N14 SR20DET 1990-1995 Note : Softer spring (part # 6116) must be used or the valve will not open properly. Alternatively, the BOV vacuum hose can be teed into all four of the individual throttle bodies instead of just one.
- NISSAN Silvia S13 2.0 SR20DET 88-94