2006 Harley-Davidson FLSTFSE2 - Softail Fat Boy Screamin Eagle, Available Soon!FLSTFSE2 Screamin' Eagle® Fat Boy® Model Overview The Harley-Davidson Custom Vehicle Operations (CVO) crew has infused the new 2006 limited-edition FLSTFSE2 Screamin' Eagle Fat Boy with rowdy performance and a lean, urban custom profile. Based on the popular Harley-Davidson FLSTFI Fat Boy, the Screamin' Eagle Fat Boy features a Screamin' Eagle 103 Stroker Twin Cam engine tuned to crank out more than 100 ft. lbs. of torque, special custom colors with metal grind accents, and a new steel seat.