PLEASE VERIFY FITMENT AND EFN COMPATIBILITY PRIOR TO PURCHASE. CALIFORNIA/CARB COMPLIANT - Extensive testing and certification processes are followed to guarantee that 4551404 meets emissions standards set by CARB (California Air Resources Board). This catalytic converter is also compliant in states adhering to these standards. DIRECT-FIT INSTALLATION - State-Of-the-Art 3D scanning is used to ensure this direct-fit catalytic converter perfectly fits your vehicle, enabling do-it-yourself installation. All required hardware is included. SPUN BODY DESIGN - Durable stainless-steel construction, mandrel bent piping, precisely manufactured flared receivers, OEM-like O2 port locations and integrated butt joints make installation easy while guaranteeing optimal performance. The spun-body design ensures excellent corrosion resistance. CARB GRADE - Catalytic converter 4551404 is designed to meet California emissions standards, as well of those of other CARB-regulated states. 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and emissions warranty included with this MagnaFlow catalytic converter