You are buying ONE used HORSTMAN Can box muffler For McCulloch go kart racing engine applications. No cracks or breaks.One mounting hole has been over sized complete with two copper gaskets for both engines. Check pictures for condition. email questions. I combine shipping.Check out my auctions for new international and american go kart and quarter midget barstool racer, powered drift trike, enduro racing parts and as always vintage go kart racing parts and minibike min...i bike parts.For international buyers we are now using eBay's International Shipping Center. If this item sells to an international bidder, the item will be shipped to Ebay's international shipping center in Kentucky. The eBay shipping center will then ship the package to you directly. Additional shipping fees may apply. Those fees are calculated by the Shipping center not by me and are paid directly to eBay's shipping center. If you wish not to use this shipping option and wish to use the traditional international priority mail shipping please contact me first before buying so I can calculate your shipping costs.