Ski-Doo 860200826 MX Z Tunnel Bag Fits REV-XP, REV-XR, REV-XU Tundra, REV-XM, REV-XS Utilizes our cleat and bag retaining system Innovative thermoformed tunnel bag, designed for a slick look and rigid structure. Chassis premarked for easier installation of bags on tunnel. 25-liter (6.6 US gallons, 1526 cu in) capacity.