BOV 38mm SS Weld Flange FT550 Ports with sequential timing allow

Ports with sequential timing allow quieter operation during everyday driving while still offering the performance and sound of a vent-to-atmosphere BOV when the going gets more challenging

the Focus is already pushing the boundaries of its standard plastic blow-off valve - and there's not much room to turn the boost up before the standard valve struggles to keep up

and a Big Bubba VTA (Vent to Atmosphere) Blow Off Valve

4-Channel oscilloscope function Sampling at 100k samples/second

BOV 38mm SS Weld Flange FT550 Ports with sequential timing allowWeld Flange (Stainless Steel) suit Turbosmart Plumb back, Dual Port and Supersonic Universal Fit BOV. Straight cut adaptor, requires welding.