1. VEHICLE FITMENT: Compatible with 2004 2005 2006 Sienna FWD 3.3L Passenger Side/ Bank 1 (NOT fit AWD models) Rear Right Catalytic Convertor Interchanges with OE part 25051-20040 Interchange Part Number: 674-880, 16394 2. ATTENTION: 46 state Legal-NOT Legal for sale or Use in Ca, New York, Or Maine Emissions Models; 3. Direct Fit Design: Direct-Fit high flow catalytic converter is designed to meet or even exceed OE quality and performance standards. And all installation holes are firmly and exactly fixed with attached gaskets and hardware. 4. HIGHER EFFICIENCY & QUALITY: Made of High Quality Stainless Steel with Computerized Mandrel-Bends for Strength and Durability. Highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting. 5. EPA CERTIFIED: Meets criteria specified by U.S. Environmental Protection Agency(EPA). Contains precious metals to reduce tailpipe emissions. PulcherFlow High Performance Catalytic Converter Better Flow, Better Performance (EPA Compliant). Premium substrate material and a high-technology washcoat ensure exceptional oxygen storage capacity while OE expertise delivers application engineered parts, Made of high quality stainless steel material, sturdy, durable, high temperature resistant, and durability durable catalyst material. 2004 2005 2006 Toyota Sienna Convertidor Catalítico 2004 2005 2006 Toyota Sienna Catalizador 2004 2005 2006 Toyota Sienna Catalyst 2004 2005 2006 Toyota Sienna Catalyst Converter 2004 2005 2006 Toyota Sienna Catalytic Convert 2004 2005 2006 Toyota Sienna Catalytic Converter 2004 2005 2006 Toyota Sienna Catalytic Convertor 2004 2005 2006 Toyota Sienna Catalytic