EXO Series came about from a realization of the need for a bigger and better muffler that could handle the huge demands of the larger, more powerful sport ATV motors. The EXO Series is our ground-up approach at just that. A unique hexagon shaped aluminum muffler and stainless steel coned inlet allow for significantly more volume, delivering a louder but tolerable deep sound while also decreasing heat.. Internal sound wave altering technology for a deeper but tolerable exhaust tone. Big Gun 08-10 Polaris OUTLAW 450 MXR EXO Aluminum Slip On Exhaust. Stamped 304 stainless steel coned inlet for more volume. Hexagon shaped large diameter housing for more volume. Removable screen-type spark arrestor included. Black powder coated stainless steel end tip. TIG welded reinforced muffler bracket(s). Significant horsepower and torque gains. Light weight brushed aluminum muffler. 304 stainless steel mid pipe. Handmade in the USA. Slip-On

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