The Walker Exhaust 18132 SoundFX Universal Exhaust Muffler is engineered to provide a durable and efficient solution for managing exhaust noise in a variety of heavy-duty applications. Constructed from 100% aluminized steel, this muffler offers superior resistance to corrosion compared to low-carbon steel alternatives, ensuring a longer service life and maintaining a professional appearance over time. The internal design features louvered tubes that effectively reduce radiated noise, delivering a factory-style sound quality that enhances the overall driving experience. This design also minimizes distortion during temperature fluctuations, thanks to internal partitions and mechanically joined tubes that allow for expansion and contraction. The spun-locked heads and OE-style spot welds provide additional stability and contribute to the muffler's extended service life. The muffler's customizable design includes expandable bushings, facilitating easy fitment and potentially reducing installation time. However, some applications may require specialized fabrication or welding for optimal installation. With an overall length of 32.5 inches, a body height and width of 6 inches, and inlet and outlet diameters of 2.5 inches and 2.25 inches respectively, the Walker Exhaust 18132 is designed to meet the demands of various heavy-duty vehicles, including certain models of Ford pickups and vans from 1965 to 1996, as well as Chevrolet Step Vans from 1985 to 1979. By integrating this muffler into your fleet's exhaust system, you can expect enhanced durability, improved sound quality, and a reduction in maintenance costs associated with exhaust system components.