The Borla Specialty Muffler 401665 is a universal-fit performance exhaust component designed to improve the sound and efficiency of trucks and other vehicles requiring a long body muffler. Constructed with heavy-duty materials, this muffler features a 2.75-inch center inlet and outlet, a 7.75-inch diameter, and a 24-inch body length, resulting in a total length of 29 inches. Its durable design ensures longevity and reliable performance under demanding conditions, making it suitable for enhancing exhaust flow and sound quality. The muffler's construction and specifications are optimized for durability and performance, providing a balanced combination of sound attenuation and exhaust efficiency.

This universal muffler is compatible with a wide range of vehicles that require a long body exhaust component, particularly trucks and larger vehicles. It is intended for use in custom exhaust setups, street performance, or towing applications where durability and sound are priorities. Installation involves a bolt-on process, fitting vehicles with compatible exhaust pipe diameters and configurations. The kit includes the muffler itself, designed for straightforward integration into existing exhaust systems. It is ideal for enthusiasts seeking a durable, performance-oriented muffler for daily driving, street use, or light-duty towing.