For Sale: 2013 Malibu Response TXi – Tournament-Ready Ski Boat Built for precision and speed, the 2013 Malibu Response TXi is the gold standard in slalom skiing. Designed with Malibu’s cutting-edge T-Cut Diamond Hull, this boat delivers world-class wakes—flat, soft, and consistent—perfect for serious skiers chasing personal bests. Powered by a 350 hp Indmar Monsoon engine, it offers instant throttle response and tight tracking through the course. With seating for up to 5, a sleek low-profile design, and Zero Off speed control, it’s everything a competitive skier or passionate enthusiast could ask for.