If you use your sled for towing, a Hitch Rear Bumper for Short Tunnel can expand your machine’s utility capability. On top of that, the bumper works as a Ski-Doo tunnel reinforcement. Attaching the bumper to your Ski-Doo is quick and easy and doesn’t require any cutting or drilling. Protection & Coverage Also reinforces the tunnel. Installation & Hardware Required for hitch use and towing. Easy mounting with no cutting. Can be used with the LinQ Snowboard/Ski Rack (860202191).