Scion xB owners with 2004-2006 models, this Walker Ultra catalytic converter is exactly what you need for reliable emissions control and smooth performance. The direct-fit design is absolutely brilliant - no cutting, no welding, no custom fabrication needed. It bolts right into place using your existing hardware, making installation straightforward even for experienced DIYers. The stainless steel construction isn't just for looks - it provides serious durability against corrosion and high temperatures, meaning this converter will last for years without issues. Being EPA compliant for OBDII vehicles gives you peace of mind that you're meeting federal emissions standards, which is crucial for passing inspections and keeping your vehicle legal. The engineering behind Walker products is always impressive - they maintain optimal exhaust flow while effectively reducing harmful emissions. I've installed several of these on various vehicles, and the quality consistency is always there. The fit is precise, the materials are top-notch, and the performance matches or exceeds OEM specifications. Whether you're replacing a failed converter or upgrading for better efficiency, this Walker Ultra model delivers professional-grade results. The 55467 part number is specific to your Scion xB, so you know you're getting the right component for your vehicle. Installation typically takes a couple of hours with basic tools, and the difference in performance and emissions compliance is immediately noticeable. If you're dealing with check engine lights related to catalytic efficiency or just want to ensure your vehicle is running clean and efficient, this converter is a solid investment that will keep your Scion xB running properly for years to come.