RPM builds the finest twin turbo headers for V6 race motors. Using only the finest stainless steel, header flanges and welding procedures, these headers are guarenteed to blow your mind!Add twin turbo collectors if using two turbos, or build your own crossover pipe for wild single turbo applications. *THESE ARE NOT BOLT ON HEADERS! CUSTOM FABRICATION REQUIRED. HEADERS COME WITH V BAND CLAMP AND TUBE FLANGE FOR BUILDING CROSSOVER PIPE.