Haywire products are made in the USA! Since 1996 Haywire has manufactured the highest quality automotive wiring systems available to the automotive aftermarket. All their wiring systems are made with American made wire in their Hilliard, Ohio facility under new ownership. You can be assured of buying the highest quality product when buying a Haywire Wiring system. Whether you are looking for a body harness or fuel injection wiring, Haywire can handle all your needs.