Our shop car Focus ST on the dyno, testing some new parts! Posted by admin on January 5, 2015 Posted in: Boomba Racing, Mustang MD-500-AWD-SE Dyno. Tagged: boomba racing, Focus, Ford, ST. Posts navigation ← A few shots of our Fiesta ST with our new wing riser kit installed! Behind-the-scenes of Boomba Racing product photography →