Item fits all 2014 to 2019 QX60 models with 3.5L V6 engine for bank 1 or side close to firewall. Direct fit unit ensures proper fitment and easy exchange with OEM unit. OBDII-configured catalyst technology ensures proper performance and emissions.  Fitment Direct Fit, Bank 1 Inlet Count 1 Inlet Connection Type 4 Bolt Welded Flange Outlet Count 1 Outlet Diameter 1 2 Outlet Diameter Designation OD Outlet Connection Type 3 Bolt Flange Converter Body Material Stainless Steel Body Shape Round Substrate Material Ceramic Oxygen Sensor Ports 1 More Infiniti Muffler and Catalytic Converter Products   Infiniti Exhaust Pipes Infiniti Catalytic Converters Infiniti Mufflers and Other Products