[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 A set of catalytic converters with the front, rear, left, and right sides. 2005-2018 Nissan Frontier/2005-2012 Pathfinder 4.0L. Fitment 2005-2018 Nissan Frontier 4.0L2012-2017 Nissan NV1500 4.0L2012-2017 Nissan NV2500 4.0L2012-2017 Nissan NV3500 4.0L2005-2012 Nissan Pathfinder 4.0L2005-2015 Nissan Xterra 4.0L2009-2012 Suzuki Equator 4.0L Professional installation would be highly recommended Features 1. Designed for excellent exhaust flow and clean emissions2. Direct replacement for your factory converter3. Bolts right into place - no welding, bending, or cutting!4. Internal catalyst has a honeycomb pattern for maximized surface area and minimized restrictions5. Body and pipe heat shields made of high-quality materials for durability6. T409 steel construction and welded seams for long life and durability7. Complies with EPA standards, non-CARB.8. 5-year / 50,000-mile warranty. Attention If your vehicle is registered in California, New York, Colorado, or Maine, DO NOT BUY This item.If your vehicle MEETS California REQUIREMENT, BUT NOT REGISTER In California, New York, Colorado, or 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, or Maine. Package Included 1x Rear Left Catalytic Converter w/Installation Accessories1x Rear Right Catalytic Converter w/Installation Accessories1x Front Left Catalytic Converter w/Installation Accessories1x Front Right 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 Substrate Ceramic Interchange Part Number 16399, 16400, 16467, 16468, 40745, 40746, 40710, 40711 Other Part Number 0961480, 0961481, 0961458, 0961459, 17171, 17172, 18218, 18219 [/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]