Dual aluminum mufflers Stage 5 system that provides significant horsepower and torque gains 304 stainless steel mid & head pipes Fully Tig Welded Includes oxygen sensor bung and USFS approved spark arrestors Features 6061 Billet Muffler Clamps and 6061 Billet Machined Exhaust Tips Made in the U.S.A.. EXHAUST RZR 1000 BK CRKT