Aftermarket automobile engine exhaust systems comprised of mufflers; Automotive exhaust pipe; Catalytic converter units for vehicle exhausts; Engine exhaust system comprised of a particulate trap; Engine exhaust systems comprised of pipes, collector and muffler; Engine exhaust tips; Engine mufflers; Engine or motor mufflers; Exhaust gas treatment systems for diesel engines; Exhaust manifold for engines; Exhaust mufflers for motors; Exhaust pipes for land vehicles; Exhaust silencers for engines; Exhaust system temperature sensors being parts of internal combustion engines; Exhausts for motors and engines; Headers as part of vehicle exhaust system; Mounting brackets adapted for exhaust systems for internal combustion engines; Mounting fasteners adapted for exhaust systems for internal combustion engines; Mounting hangers adapted for exhaust systems for internal combustion engines; Silencers as part of vehicle exhaust systems; Silencers for motors and engines