Custom manufacture of components and accessories in the nature of boater headers, stainless-steel blower intake manifolds, custom-built 180-degree headers, exhaust headers; vehicle parts, namely, tailpipes, custom tailpipes, completely dry tailpipes, transom tip tailpipes, thru-hull tailpipes, tailpipes sold as matched sets with respective port and starboard exhausts; tailpipe sets with V-band clamps, metal engine sealing gaskets for vehicles, exhaust systems comprised primarily of boater headers and also containing engine mufflers, and vehicular exhaust pipes; integral engine mufflers; header, tailpipe, and exhaust accessories, namely, engine exhaust tips; marine engine components and accessories, namely, flex-flare header-to-tailpipe attachments, namely, flexible joints for joining the ends of headers with the fronts of tailpipes, split system tube tops, standard elbow tops, tube tops, air-intake sports tubes, sweeper accessories, namely, tailpipes, brackets, diverters, and tips for stylized sweeper style headers; bearing brackets, vacuum pads, fluid power component kits for machine control comprising pups and valves, metal fittings for engines, gaskets for internal combustion engines, mechanical seals, big elbow tops, custom big tube headers, exhaust silencers for engines, engine mufflers, anti-sound systems comprised primarily of exhaust silencers for engines and also containing silencers as part of vehicle exhaust systems, diverter vehicular exhaust pipes, activation pneumatic pumps, external engine mufflers, transom tips, exhaust system trim rings, standard round rings, custom rings, water pick-ups and fittings, namely, stainless steel attachments for securing to the sterns of boats below the water line to pick up water for cooling circulation through the engine exhausts for cooling purposes, all of the foregoing for performance-oriented marine engines