MagnaFlow Direct-Fit Catalytic Converters are designed for easy bolt-on installation for the Professional Installer. Each is designed to exact the original equipment specifications. While the majority of the Direct-Fit Catalytic Converter products do not require welding; cutting or bending; limited applications may require additional welding for optimal installation. PartNumber : mag51462 Description : Conv DF 02-03 Audi A4 3L P/S Main Piping Diameter : 2.5 Material : Stainless Series : OEM Grade Anticipated Ship Out Time : Approximately 1-2 Days CARB Compliant : N Catalytic Converter Air Tube Adapter : Not Air Tube Kit Adaptable Catalytic Converter Format : Pre-Catalytic Converter and Main Catalytic Converter Catalytic Converter Oxygen Sensor Location : Pre Converter and Midbed Catalytic Converter Body Material : Stainless Catalytic Converter Substrate Material : Ceramic Catalytic Converter Inlet Diameter : 2.5 Catalytic Converter Outlet Diameter : 2.25 Catalytic Converter Width : 5 Catalytic Converter Length : 10 Catalytic Converter Overall Length : 10 Catalytic Converter Configuration : Direct-Fit Components : Gasket=1 Warranty : 5 year/50,000 mile External, 2 years/25,000 miles Internal Recommended Use : Converter Exhaust Pipe Material : Stainless Steel Exhaust Outlet Connection Type : Bolt-On Exhaust Inlet Connection Type : Bolt-On Exhaust Component Mount Type : Uses Factory Hangers 2899 : No 634 : Ceramic 601 : 2.5 1172 : 2.25 616 : 5 615 : 10 3145 : Specific 353 : Yes California Air Board Approved : No CAT Converter Air Tube Adapter : Not Air Tube Kit Adaptable Converter Body Size : OEM Core Substrate Material : OEM Emission : Non-California (49-State) Inlet Size (in.) : 2.5 Main Piping Diameter (in.) : Stainless Steel Material : Stainless Steel Outlet Quantity : 1 Outlet Size (in.) : 2.25 Overall Length (in.) : 45.5 Oxygen Sensor Location : Pre Converter and Midbed Universal Or Specific Fit : Specific Body Length (in.) : 10 Body Width (in.) : 5 Gasket Or Seal Included : Yes Inlet Connection Type : Bolt-On Inlet Inside Diameter (in.) : 2.5 Outlet Connection Type : Bolt-On Outlet Outside Diameter (in.) : 2.25 Title : DF Converter WARNING CA Proposition 65 : No California Proposition 65 : WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov Body Length : 10.000 in. Outlet Outside Diameter : 2.25 California Air Resources Board Approved : No Body Width : 5 Body Length : 10 Catalytic Converter Overall Length : 45.5 Substrate Material : Ceramic Inlet Inside Diameter : 2.5 Inlet Inside Diameter : 2.500 in. 2002-2004 Audi A4 Base V6.2976cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2003-2004 Audi A4 Cabriolet V6.2976cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2002-2004 Audi A4 Quattro Avant V6.2976cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2002-2004 Audi A4 Quattro Base V6.2976cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2004 Audi A4 Quattro Cabriolet V6.2976cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit