Truly a must-see in person...CVO Pro Street Breakout. Has Rinehart slip-on mufflers. 2017 Harley-Davidson CVO Pro Street Breakout The CVO Pro Street Breakout motorcycle. Dark style and massive torque sit center stage in our top-of-the-line take on blacked-out American muscle. Cast a shadow. The CVO Pro Street Breakout gives you dark style and premium finishes with show-stopping paint. You get an Aggressor wheel mounted to a 240mm rear tire, forward controls, a race-inspired seat and low handlebar. A Screamin Eagle Twin Cam 110B engine with a heavy breather intake, inverted forks and dual-disc front brakes mean the performance matches the power of its style.