The Vevor diesel heater muffler is designed to reduce exhaust noise while maintaining stable airflow for diesel heater systems. It features an upgraded honeycomb structure with built-in fireproof cotton for effective sound reduction. Made from durable aluminum alloy, it is built to handle heat, weather, and corrosion for long-term use. This muffler is compatible with most 2KW, 5KW, and 8KW diesel heaters. The kit includes the muffler along with clamps and self-tapping screws for installation.