ECO series is for the price-conscious rider that wants to get every ounce of power out of his/her motor but does not want to break the bank. Offered as only slip ons, the ECO series is affordable yet powerful. A cheap price does not equal a cheap exhaust. Our ECO series is built to the same rigorous standards as the rest of our lineup and does not skimp on quality, performance or sound.. Big Gun 12-14 Yamaha GRIZZLY 350 4x4 AUTO ECO Series Slip On Exhaust. Removable screen-type spark arrestor included. Black powder coated stainless steel end tip. 1 Year Limited Manufacturer's Warranty. 6061 brushed aluminum muffler housing. Economically priced slip on exhaust. Increaded horsepower and torque. 304 stainless steel mid pipe. Much lighter than stock. Handmade in the USA

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