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 off the Direct-Fit Catalytic converter products do not require welding; cutting or bending; limited applications may require additional welding for optimal installation. PartNumber : mag447280 Description : Conv DF 02-03 Avalanche P/S 8.1L Main Piping Diameter : 3 Material : Stainless Series : California Anticipated Ship Out Time : Approximately 1-2 Days CARB Compliant : Y 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 : N/A Catalytic Converter Body Material : Stainless Catalytic Converter Substrate Material : Ceramic Catalytic Converter Inlet Diameter : 3 Catalytic Converter Outlet Diameter : 3 Catalytic Converter Width : 4 Catalytic Converter Length : 9.5 Catalytic Converter Overall Length : 9.5 Catalytic Converter Configuration : Direct-Fit Exhaust Component Mount Type : Uses Factory Hangers Exhaust Pipe Material : Stainless Steel Recommended Use : Converter Warranty : 5 year/50,000 mile External/Internal Components : Bolt=2;Gasket=2;Nut=2 2899 : Yes 634 : Ceramic 601 : 3 1172 : 3 616 : 4 615 : 9.5 3145 : Specific 353 : Yes Body Length (in.) : 9.5 California Air Board Approved : Yes CAT Converter Air Tube Adapter : Not Air Tube Kit Adaptable Converter Body Size : OEM Core Substrate Material : Ceramic Emission : California Inlet Size (in.) : 3 Main Piping Diameter (in.) : Stainless Steel Material : Stainless Steel Outlet Size (in.) : 3 Overall Length (in.) : 70.75 Oxygen Sensor Location : N/A Universal Or Specific Fit : Specific Body Width (in.) : 4 Gasket Or Seal Included : Yes Inlet Inside Diameter (in.) : 3 Outlet Outside Diameter (in.) : 3 California Proposition 65 : No Title : DF Converter WARNING CA Proposition 65 : No California Proposition 65 : WARNING: Cancer and Reproductive Harm www.P65Warnings.ca.gov Body Length : 9.500 in. Outlet Outside Diameter : 3 Substrate Material : Ceramic Body Width : 4 California Air Resources Board Approved : Yes Catalytic Converter Overall Length : 70.75 Components : Bolt=2 Body Length : 9.5 Inlet Inside Diameter : 3 Inlet Inside Diameter : 3.000 in. 2002-2003 Chevrolet Avalanche 2500 Base V8.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2001 Chevrolet Suburban 2500 Base V8.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2001-2003 Chevrolet Suburban 2500 LS V8.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2001-2003 Chevrolet Suburban 2500 LT V8.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2001-2005 GMC Yukon XL 2500 SLE V8.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 2001-2005 GMC Yukon XL 2500 SLT V8.-cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit