The Walker 17221~WK Exhaust Muffler Assembly is engineered to provide a precise fit and optimal performance for your vehicle's exhaust system. Constructed with durable aluminized steel, this muffler offers enhanced corrosion resistance, extending its service life compared to standard aluminized mufflers. The internal drainage system effectively reduces moisture accumulation, mitigating potential rust and prolonging the muffler's durability. Designed for easy installation, the muffler features OE-style hangers, brackets, and pipe routings, ensuring a straightforward, bolt-on replacement without the need for specialized fabrication or welding. This direct-fit design guarantees a seamless integration with your vehicle's existing exhaust components. Internally, the muffler incorporates partitions and mechanically joined tubes that allow for expansion and contraction during temperature fluctuations, minimizing distortion and enhancing structural integrity. Spun-locked heads and OE-style spot welds provide additional stability, contributing to a longer service life. For superior acoustic performance, the muffler utilizes OE-style louvered tubes that effectively lower noise levels, while OE-style domed heads help reduce radiated noise, delivering a premium, factory-style sound quality. The design has been validated through acoustic and flow testing, ensuring reliable OE-style sound you can count on. Backed by Walker's limited lifetime warranty and exclusive 90-Day Safe & Sound Guarantee, the 17221~WK Exhaust Muffler Assembly offers peace of mind and confidence in your investment.