[video]Refer to the YouTube video below, and you will have a better understanding of the working principles of the catalytic converter and tailpipe. Thanks to Automotive System [/video] Description YITAMOTOR auto parts Catalytic Converter, which has a cost-effective catalytic converter price, excellent quality, and excellent customer service. Just get it with no worries. Fitment 2007-2012 Nissan Altima L4 2.5L (2500cc) 2013 Nissan Altima S Coupe 2-Door L4 2.5L (2500cc) Professional installation would be highly recommended Features 1. Designed for excellent exhaust flow and clean emissions.2. Direct replacement for your factory converter.3. Bolts right into place - no welding, bending, or cutting!4. Internal catalyst has a honeycomb pattern for maximized surface area and minimized restrictions.5. Body and pipe heat shields are made of high-quality materials for durability.6. T409 steel construction and welded seams for long life and durability.7. Complies with EPA standards, non-CARB.8. 5-year / 50,000-mile warranty. Attention If your vehicle is registered in California, New York, Colorado & Maine, DO NOT BUY This item.If your vehicle MEETS California REQUIREMENT, BUT NOT REGISTER In California, New York, Colorado & Maine. This will work on your vehicle.Due to the increased emissions standards. This item is not certified for sale in California, New York, Colorado & Maine. Package Included 1 X Catalytic Converter w/Installation Accessories Warranty Warranty Period: 5-year / 50,000-mile warranty.Return: Goods can be returned within 30 days for Unopened or Unused Items.24-Hour Support: Customer service throughout the day. [specification] Specification Brand YITAMOTOR Certifications OBD-II / Federal EPA / Non-CARB Material Stainless steel Restricted States California, New York, Colorado & Maine Fitment Type Direct Replacement Connection Type 3 Bolt/5 Bolt Welded Flange Inlet type Single (5-bolt welded flange) Outlet type Single (3-bolt welded flange) Dimensions 18.75 in. overall length Oxygen Sensor Location Post-Catalyst Substrate Ceramic Oxygen sensor ports Yes Placement on Vehicle Front Interchange Part Number 12498616,674-933,72594,18258,40800 Other Part Number 327-50268,327-50639,140E2ZX31E,140E2JA02E Manufacturer Part Number F09O09001 Package Includes 1x Catalytic Converter Assembly w/Installation Accessories Warranty 5 years or 50,000 miles limited [/specification] California Residents: Prop 65 Warning WARNING: Cancer and Reproductive Harm Visit:www.p65warnings.ca.gov [des] - Internal Honeycomb Structure Design for Max Exhaust Flow- Improve the Efficiency, Clear the P0420/P0430 Code- Use Shockproof Packaging to Reduce Deformation or Damage- Not Legal for Sale in CA, NY, CO, and ME- 5-Year or 50,000-mile Limited Warranty [/des]