The product is a catalytic converter and gasket designed for direct replacement in 2003-2008 Toyota Matrix, Corolla, and Vibe models with a 1.8L engine. It comes with mounting hardware, bolts, and a 3-year manufacturer warranty. The catalytic converter is EPA certified and features a bolt-on or welded connection type for easy installation. It is specifically designed for post-catalyst oxygen sensor location and fits at the upper placement on the vehicle. This non-vintage part is not a custom bundle and is suitable for models in states with emissions regulations such as California, Colorado, New York, and Maine.