Engine exhaust system comprised of a particulate trap; Engine exhaust systems comprised of pipes, collector and muffler; Engine or motor mufflers; Engine mufflers; Exhaust manifold for engines; Exhaust silencers for engines; Exhaust mufflers for motors; Exhaust pipes for land vehicles; Automotive exhaust pipe; Aftermarket automobile engine exhaust systems comprised of pipes, collectors, mufflers, particulate traps