The Grand Rock Universal 4 Inch Muffler is a reliable and practical choice for enhancing your vehicle's performance. With its aluminized construction, this muffler ensures durability and longevity. It features a 4" ID inlet and outlet diameter, along with an 11" body diameter and 36" body length, providing a perfect fit for most makes and models. The overall length of 39" guarantees optimal exhaust flow. Additionally, stainless steel options are available upon request. Upgrade your vehicle's exhaust system with the Grand Rock Universal 4 Inch Muffler for improved efficiency and a smoother driving experience.