Boomba Fully Adjustable Bypass Valve Ford Focus ST 2013-2018 Color:Red flow tested and dynamically matched

flow tested and dynamically matched for characterization within one percent of each other

Let that 4B11 breathe mo betta

After many months of design and rigorous testing Forge Motorsport are proud to launch the world’s first universal adjustable piston Fuel Pressure Regulator

Designed and manufactured right here in the USA

ISR Performance Tubular 4-2-1 Header Nissan 240sx KA24DE 1991-1998

Boomba Fully Adjustable Bypass Valve Ford Focus ST 2013-2018 Color:Red flow tested and dynamically matchedFor adjustability this piece has three threaded holes, we ship this piece with all of the holes plugged and we also include a 2mm allen key for removal. This makes the piece full recirculating. For fine tuning and venting to atmosphere, remove and add screws as desired to reach the amount of venting or recirculation you are looking for. Want the added strength and performance of our Blow Off Valve but not the biggest fan of the added noise? Search no