Dorman 674-090 Manifold Converter - Not CARB Compliant

The Dorman 674-090 is a one-piece manifold converter that combines stainless steel construction with ceramic substrate technology for efficient emissions control and processing. Fits the 2016-2024 Nissan TITAN XD; the 2016-2021 INFINITI QX80; the 2017-2021 Nissan Armada, NV2500 and NV3500; and the 2017-2020 Nissan TITAN with the 5.6L V8. This unit integrates an exhaust manifold and catalytic converter into one complete assembly with a metallic gray finish and flanged inlet and outlet ports, featuring four inlet ports and one outlet port with two oxygen sensor ports for engine monitoring and emissions tracking. Measuring 31.2 inches in overall length with a 9.8-inch converter body and tube walls measuring 0.6 inches thick, the assembly includes 16 inlet mounting holes and 2 outlet mounting holes for secure installation.

• Material: Stainless Steel
• Color: Metallic Gray
• Type: One-Piece
• Inlet Type: Flanged
• Outlet Type: Flanged
• Inlet Quantity: 4
• Outlet Quantity: 1
• CARB Certified: No
• Substrate Material: Ceramic
• Tube Wall Thickness: 0.6 in
• Grade Type: Standard Replacement
• Converter Body Length: 9.8 in
• Inlet Mounting Hole Quantity: 16
• Outlet Mounting Hole Quantity: 2
• Overall Length: 31.2 in
• Quantity: 2
• Sensor Port Count: 2
• Shape: Round
• Inlet Port Shape: Round
• Gasket Or Seal Included: Yes
• Package Contents: 1 Exhaust Manifold