Big Gun EVO U Dual Slip-On Exhaust RZR XP 2016-2021 The EVO U series delivers a resonant, thunderous tone designed to pack a powerful punch. Purpose-built for utility ATVs, sports utility ATVs, and Side x Sides, the unmistakable roar of the EVO U series is an audacious expression of raw power. If the goal is to replace the stock exhaust with a sound that embodies sheer strength, the EVO U series is the clear choice. Features: High-temp black thermal coated oval shaped aluminum muffler TIG welded reinforced muffler bracket(s) 304 stainless steel mid pipe Black powder coated stainless steel end tip Much lighter than stock Massive horsepower and torque gains Sleek muffler design allows for maximum clearance Removable screen-type spark arrestor included Vortex Quiet Insert included Handmade in the USA