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 : mag452451 Description : Conv DF BMW 5 99-00 P/S Anticipated Ship Out Time : Approximately 1-2 Days CARB Compliant : Y Main Piping Diameter : 2 Material : Stainless Series : California Catalytic Converter Outlet Diameter : 2 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 Catalytic Converter Body Material : Stainless Catalytic Converter Substrate Material : Ceramic Catalytic Converter Inlet Diameter : 2.5 Catalytic Converter Width : 4 Catalytic Converter Length : 7.5 Catalytic Converter Overall Length : 7.5 Catalytic Converter Configuration : Direct-Fit Exhaust Component Mount Type : Uses Factory Hangers Exhaust Inlet Connection Type : Bolt-On Exhaust Outlet Connection Type : Bolt-On Exhaust Pipe Material : Stainless Steel Recommended Use : Converter Warranty : 5 year/50K miles External/Internal Components : Gasket=4 CARB Compliant : Yes Body Length (in.) : 7.5 CAT Converter Air Tube Adapter : Not Air Tube Kit Adaptable CAT Converter Configuration : Direct-Fit Converter Body Size : OEM Core Substrate Material : Ceramic Emission : California Inlet Size (in.) : 2.5 Main Piping Diameter (in.) : Stainless Steel Material : Stainless Steel Outlet Size (in.) : 2 Overall Length (in.) : OEM Oxygen Sensor Location : Pre Converter Body Width (in.) : 4 Inlet Connection Type : Bolt-On Inlet Inside Diameter (in.) : 2.5 Outlet Connection Type : Bolt-On Outlet Outside Diameter (in.) : 2 Inlet Diameter : 2.5 Outlet Diameter : 2.0 in. 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 : 7.500 in. Outlet Outside Diameter : 2 Inlet Inside Diameter : 2.500 in. 1999-2003 BMW 540i Base V8.4398cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1999-2001 BMW 740i Base V8.4398cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit 1999-2001 BMW 740iL Base V8.4398cc Exhaust, Mufflers & Tips::Catalytic Converter Direct Fit