Buick Century owners from 1997-2005, if you need a new muffler, this Walker Quiet-Flow SS is exactly what you're looking for! It's the only broad-market muffler with 100% stainless steel construction, which means it seriously resists corrosion and will last way longer than those aluminized mufflers. The 2-inch inlet and 2.25-inch outlet match your Century perfectly, and it's a direct bolt-on replacement - no special fabrication or welding needed. The internal drainage system reduces moisture buildup, and the construction with spun-locked heads and OE-style spot welds provides stability for longer service life. You get premium acoustic control with OE-style louvered tubes that lower noise levels properly, not that annoying drone some aftermarket mufflers have. It's been acoustic and flow tested to ensure quality sound and performance you can count on. Installation is straightforward if you're handy, and it comes with Walker's limited lifetime warranty plus their 90-Day Safe and Sound Guarantee. Whether your original muffler is rusted out or just getting too loud, this replacement delivers that factory-style quiet performance while being built to last through many more miles of driving.