- Heavy-Duty Copper Exhaust Gasket // Arctic Cat 550/650/700/1000 ATV & UTV$19.95sku:AC650ATVCEGOur copper exhaust gasket is designed to replace the stock exhaust gasket which wears out over time and starts to block off the exhaust port. This is a direct replacement for Arctic Cat part number 0830-089 & 0412-338. Learn More