The Walker 21614 Quiet-Flow SS Exhaust Muffler is engineered to provide a durable and efficient solution for your vehicle's exhaust system. Constructed entirely from corrosion-resistant stainless steel, this muffler offers superior longevity compared to traditional aluminized options. Its precision-fit design ensures seamless integration with your vehicle, facilitating straightforward installation without the need for specialized fabrication or welding. The muffler's internal partitions and mechanically joined tubes accommodate thermal expansion and contraction, minimizing distortion and enhancing structural integrity. Additionally, the OE-style louvered tubes and domed heads deliver a premium, factory-style sound quality, effectively reducing noise levels and radiated noise. This product is validated through acoustic and flow testing, ensuring reliable performance and sound quality. The Walker 21614 Quiet-Flow SS Exhaust Muffler is compatible with various vehicle models, including the 2007-2014 Chevrolet Tahoe, 2007-2014 Chevrolet Suburban 1500, 2007-2013 Chevrolet Avalanche, 2007-2014 GMC Yukon XL 1500, 2007-2014 GMC Yukon, and 2015-2019 GMC Yukon XL. Its dimensions are 32 inches in overall length, 9 inches in width, and 7 inches in height, with an inlet and outlet diameter of 2.625 inches. The muffler features an aluminized finish and is designed for a direct-fit, bolt-on replacement solution.