The Dynaflex 180 Degree Aerodynamic Muffler Guard Assembly is a practical and reliable solution for protecting your Kenworth truck's 9-inch muffler body diameter. With its round holes design, this guard assembly offers optimal airflow while ensuring durability. It features a 48-inch length and is made of stainless polished material, providing a sleek and professional look. The guard comes with mounting clamps and easily attaches to a 5-inch tube. Available in 9-inch or 10-1/8 inch body diameter, this muffler guard assembly fits most makes and models, making it a versatile and convenient choice for truck owners.