Converter Warehouse is a direct distributor for Hummer Catalytic Converters. These units are direct fit Hummer Catalytic Converters, they are bolt on replacement with no cutting or welding. Our Hummer Catalytic Converters carry full factory warranties up to 5 years or 50,000 miles. Converter Warehouse offers you low wholesale pricing on Hummer Catalytic Converters and most orders are shipped same day giving you fast service. Converter Warehouse knows cats so give us a call today 1-888-240-7088.