AC Racing Yamaha Grizzly 660 Slip On Exhaust

Unleash the hidden horsepower and torque you've been looking for with our 100% made in the USA exhaust systems. All AC systems are handcrafted from TIG welded mandrel bent aircraft quality 304 stainless steel, a hardened 6063 aluminum muffler housing, and 6061 aluminum front and rear end-caps that are hard anodized to a military spec. that makes them 800% to 1000% harder than raw aluminum. Includes a removable U.S.F.S. approved spark arrestor.