Aftermarket automobile engine exhaust systems comprised of pipes, collectors, mufflers, particulate traps; Automotive exhaust pipe; Catalytic converter units for vehicle exhausts; Engine exhaust systems comprised of pipes, collector and muffler; Engine exhaust tips; Exhaust manifold for engines; Exhaust mufflers for motors; Exhaust pipes for land vehicles; Exhaust silencers for engines; Exhausts for motors and engines; Headers as part of vehicle exhaust system; Intake and exhaust air flow vane assembly device for use in an internal combustion engine; Mounting fasteners adapted for exhaust systems for internal combustion engines; Mounting hangers adapted for exhaust systems for internal combustion engines; Trims for engine exhausts