Description Reviews Magnaflow MINI Cooper Downpipe. This meant to be a replacement downpipe with catalytic converter. Designed for fitment on the 2007-2010 MINI Cooper S with the N14 engine (it may fit and work with other models as well, but officially Magnaflow only call it out for this car and MINI part numbers are different for other models and JCW cars). MagnaFlow specializes in superior catalytic converter and exhaust technology and has spent the past 30+ years earning its reputation as a global market leader. American engineered and manufactured, MagnaFlow Catalytic Converters combine efficient industrial design to produce a product that exceeds, rather than meets, the highest standards of product performance and efficiency in the industry. MagnaFlow uses both Ceramic and Metallic substrates with different combinations of cell density and wall thickness to meet vehicle specific requirements. 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.All Federal catalytic converters meet EPA requirements. Federal Catalytic Converters are not legal for sale, installation or use on vehicles registered in the state of California. Notes: Air Tube Adapter: Not Air Tube Kit AdaptableBody Length: 9.5Body Material: StainlessBody Width: 4California Air Resources Board Approved: NoCARB Compliant: NoCatalytic Converter Air Tube Adapter: Not Air Tube Kit AdaptableCatalytic Converter Body Material: StainlessCatalytic Converter Format: Pre-Catalytic Converter and Main Catalytic ConverterCatalytic Converter Overall Length: 19Catalytic Converter Oxygen Sensor Location: Pre and Post ConverterComponents: Gasket=1Exhaust Component Mount Type: Uses Factory HangersExhaust Pipe Material: Stainless SteelFormat: Pre-Catalytic Converter and Main Catalytic ConverterGasket Or Seal Included: YesInlet Diameter: 2.5Inlet Inside Diameter: 2.5Length: 9.5Main Piping Diameter: 2.5Material: StainlessOutlet Diameter: 2.75Outlet Outside Diameter: 2.75Overall Length: 9.5Oxygen Sensor Location: Pre and Post ConverterRecommended Use: ConverterSeries: OEM GradeSubstrate Material: CeramicUniversal Or Specific Fit: SpecificWidth: 4