[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 direct-fit high-flow catalytic converter is designed to meet even exceed OE quality and performance standards without sacrificing flow rate. PLEASE NOTE: There are 4 catalytic converters on these vehicle models, this CAT position is REAR PASSENGER SIDE. Fitment 2005-2011 Nissan Frontier 4.0L2005-2012 Nissan Pathfinder 4.0L2005-2015 Nissan Xterra 4.0L2012-2017 Nissan NV1500 4.0LNOTE: This Catalytic Converter Fits Rear Passenger Side Professional installation would be highly recommended Features 1. High Exhaust Flow2. Reduce Back Pressure3. Improve Vehicle Horsepower4. Heavy-duty stainless steel construction5. Bolt-on connection, without doing the extra modification [specification] Specification Brand YITAMOTOR Certifications OBD-II / Federal EPA / Non-CARB Material Stainless steel Restricted States California, New York Fitment Type Direct Replacement Installation Position Rear Right Oxygen sensor ports 1 Substrate Ceramic Interchange Part Number 20020ZP50A, 20020-ZP50A Package included 1 catalytic converter w/Installation Accessories Warranty 5 years or 50,000 miles limited [/specification] [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]