This lightweight silencer gives your Polaris 850 Patriot the freedom to perform. It sheds 7.7 lbs of weight with improved throttle response and top end performance. Features ERA 2014 Silencing Technology which has been SLP Tested and passed the SAE J-2567 stationary sound test below 88 decibels. Finished with ceramic coating which not only looks great but also reduces radiant heat emissions by as much as 40%, resulting in cooler under hood temperatures.