Dorman 673-972 Manifold Converter - CARB Compliant

Made from stainless steel as a one-piece manifold converter, the Dorman 673-972 integrates an exhaust manifold and catalytic converter into a single unit. Fits the 2001-2005 BMW 325Ci, 325i, 325xi and 330i, the 2001-2003 BMW 330Ci, and the 2001-2002 BMW Z3 with the 2.5L L6 and 3L L6. The cylindrical converter measures 37 inches in overall length, featuring a 2-inch inlet diameter and 3-inch outlet diameter. Pre- and post-converter oxygen sensor ports at 18 millimeters enable engine monitoring, while gaskets and mounting hardware simplify installation. With a 5-year warranty and CARB certification (EO Number D-798-10), the Dorman 673-972 is manufactured in the United States.

• Material: Stainless Steel
• Type: One-Piece
• Shape: Cylinder
• Finish: Uncoated
• Color: Metallic Gray
• Inlet Inside Diameter: 2 IN
• Inlet Type: Flanged
• Inlet Port Shape: Oval
• Inlet Quantity: 1 IN
• Inlet Mounting Hole Quantity: 8
• Outlet Inside Diameter: 3 IN
• Outlet Outside Diameter: 4 IN
• Outlet Type: Flanged
• Outlet Quantity: 1 IN
• Outlet Mounting Hole Quantity: 2
• Body Height: 7 IN
• Body Width: 11 IN
• Converter Body Length: 6 IN
• Overall Length: 37 IN
• Tube Wall Thickness: 0.125 IN
• Substrate Material: Ceramic
• Sensor Port Count: 2
• Sensor Port Size: 18 MM
• O2 Sensor Location: Pre and Post Converter
• CARB Certified: Yes
• CARB Executive Order Number: D-798-10
• Application Type: Specific
• Grade Type: Standard Replacement
• Heat Shield Attached: No
• Gasket Or Seal Included: Yes
• Package Contents: 1 Exhaust Manifold
• Quantity: 1 IN