Give your vintage vehicle's exhaust system an upgrade with a DynoMax dual header kit. Designed to attach to OE manifolds, it features a special reducer that allows for a variety of mounting options. Product Features:COMPATIBILITY -- Designed for a variety of full-size 1973-89 GMC 4WD trucks and Chevrolet 4WD SUVs; see product information for compatibility and engine specBUILD IT YOURSELF -- Design and custom fabricate your own exhaust system with this kit that attaches to OE manifoldsFLEXIBLE MOUNTING -- Special reducer design allows for a variety of mounting optionsIMPROVED FLOW CAPACITY -- Smooth bends improve flow capacity over traditional bendsSPECS -- Extra-long tailpipes with side exits with a full 2.25-in. diameter; tailpipes exit each side of vehicle behind rear tiresCOMPLETE SOLUTION -- Includes all the necessary clamps, hangers, flanges, gaskets, mounting hardware, intermediate, extension and tail pipesPREMIUM MATERIALS--Made from quality aluminized steel for durability and long lifeBETTER TOGETHER -- Complete your system with premium DynoMax mufflers and DynoMax accessories for a complete performance exhaust systemWARNING -- Not legal for use on pollution-controlled motor vehicles
