GFB TMS Respons Hybrid BOV - Subaru STI VA Intercooler Piping Highly recommended for both street

Highly recommended for both street and track enthusiasts

the Respons allows you to precisely control how much air vents from each of the two outlets

The second objective was met by removing the flexible tubing and optimising the inlet path with a Venturi stack connected directly to the filter

This unique Ferro-Carbon compound combines the safety and quality of Aerospace design partnered with the braking technology of motorsports

GFB TMS Respons Hybrid BOV - Subaru STI VA Intercooler Piping Highly recommended for both streetOn the surface, it may look like just another dual port blow off valve, but the Respons is actually much more than that. Featuring GFBs patented venting bias adjustment system, the Respons allows you to precisely control how much air vents from each of the two outlets. Why is this so important? Two key reasons: Adjust how loud the blow off sound is. Recirculate all of the air for silent factory operation, vent it all to atmosphere for maximum noise,