Automotive parts included in class 7; exhaust systems and parts and fittings therefor including mufflers, engine pipes, intermediate pipes, tail pipes, collector cones, chrome exhaust pipe extensions, exhaust clamps, exhaust tubes and tubing, flange plates, hanger brackets, mandrel bends, manifold nuts and studs, stainless steel flexible tubing, Y pieces, catalytic converters, headers

Exhaust systems and parts and fittings therefor including mufflers, engine pipes, intermediate pipes, tail pipes, collector cones, chrome exhaust pipe extensions, exhaust clamps, exhaust tubes and tubing, flange plates, hanger brackets, mandrel bends, manifold nuts and studs, stainless steel flexible tubing, Y pieces, catalytic converters, headers