Dorman 674-484 Pre-converter - Not CARB Compliant

Built from stainless steel with a ceramic substrate and metallic gray finish, the Dorman 674-484 manifold converter combines an integrated exhaust manifold and catalytic converter in a single assembly designed for direct replacement. Fits the 2010 and 2012-2016 Buick LaCrosse, and the 2010 Buick Allure with the 3L V6 and 3.6L V6. The oval-shaped unit measures 14.5 inches overall length and 4 inches in converter body length, featuring a tube wall thickness of 0.15 inches throughout. With flanged inlet and outlet connections, round inlet ports, and one oxygen sensor port, this assembly is engineered for proper emissions treatment and mounting at four inlet points and two outlet points.

• Material: Stainless Steel
• Color: Metallic Gray
• Type: One-Piece
• Inlet Type: Flanged
• Outlet Type: Flanged
• Inlet Quantity: 1
• Outlet Quantity: 1
• CARB Certified: No
• Substrate Material: Ceramic
• Tube Wall Thickness: 0.15 IN
• Grade Type: Standard Replacement
• Converter Body Length: 4 IN
• Inlet Mounting Hole Quantity: 4
• Outlet Mounting Hole Quantity: 2
• Overall Length: 14.5 IN
• Quantity: 0
• Sensor Port Count: 1
• Shape: Oval
• Inlet Port Shape: Round
• Gasket Or Seal Included: Yes
• Package Contents: 1 Exhaust Manifold