GFB DVX Fits Ford Focus ST / Volvo / Porsche and Borg-Warner EFR Turbos - T9654

If you're looking for the performance benefits and fit of a DV+, but also want an adjustable blow-off sound like the Respons, the DVX is the only choice The DVX range covers vehicles that can't fit or use valves like the Respons or Deceptor Pro II, and each version in the range is designed specifically for its application, ensuring the best fit and performance.DUAL OUTLETS WITH PATENTED VENTING BIAS ADJUSTMENT - CAN BE INFINITELY ADJUSTED BETWEEN FULL RECIRC (SILENT) AND FULL ATMOSPHERE (LOUD)