Dorman 673-311 Manifold Converter - CARB Compliant

At 25 inches long overall, the Dorman 673-311 is a one-piece manifold converter with 1 flanged outlet and integrated exhaust manifold for emissions control on specific Subaru vehicles. Fits the 2011-2015 Subaru Forester, the 2013-2014 Subaru Legacy, Outback and XV Crosstrek, and the 2012-2014 Subaru Impreza with the 2L H4 and 2.5L H4. The stainless steel construction features a 4-inch converter body with ceramic substrate, 1.8-inch inlet and outlet inside diameters, an outlet outside diameter of 2.1 inches, and 0.125-inch tube wall thickness. At 17.56 inches in height and 11.2 inches in width, this CARB-certified unit includes gaskets and downpipe hardware with 2 O2 sensor ports for monitoring pre-converter and midbed positions.

• Material: Stainless Steel
• Color: Metallic Gray
• Type: One-Piece
• Finish: Uncoated
• Inlet Type: Flanged
• Outlet Type: Flanged
• Inlet Inside Diameter: 1.8 IN
• Body Height: 17.56 IN
• Body Width: 11.2 IN
• Heat Shield Attached: No
• Inlet Quantity: 4
• Outlet Inside Diameter: 1.8 IN
• Outlet Quantity: 1
• CARB Certified: Yes
• Substrate Material: Ceramic
• Outlet Outside Diameter: 2.1 IN
• Tube Wall Thickness: 0.125 IN
• Application Type: Specific
• Grade Type: Standard Replacement
• Converter Body Length: 4 IN
• Shape: Round
• Inlet Mounting Hole Quantity: 6
• Outlet Mounting Hole Quantity: 3
• Overall Length: 25 IN
• Sensor Port Count: 2
• Inlet Port Shape: Round
• O2 Sensor Location: Pre Converter and Midbed
• CARB Executive Order Number: D-798-9
• Gasket Or Seal Included: Yes
• Package Contents: 1 Exhaust Manifold