Boomba Racing Wing Risers Coming soon! Posted by admin on December 4, 2014 Posted in: Boomba Racing. Boomba Racing Wing Risers for the Focus and Fiesta ST coming soon! Group buys for BOTH cars are going on now! Head over to our Facebook page for links to the group buys! Posts navigation ← Boomba Racing Fusion RMM prices slashed, for a limited time! $195 A few shots of our Focus ST with our new wing riser kit installed! →