About this range

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 Hyundai motorized blow off valve (BOV) with GFB TMS advantage and in-cabin patented sound adjustment system also suits:

  • HYUNDAI I30 N 2.0T-GDI 2017-On
  • KIA Stinger 2.0T-GDI 2017-On
  • HYUNDAI Veloster N (US Only - 2.0T-GDI) 2019-2020
Brand GFB