For BMW 545i 645Ci 745i Magnaflow 49-State Manifold Catalytic Converter

As one of the world's largest automotive parts suppliers, our parts are trusted every day by mechanics and vehicle owners worldwide. This Catalytic Converter EPA Approved is manufactured and tested to the strictest OE car and truck standards for unparalleled performance. Built for trouble-free ownership and 100% visually inspected and quality tested, this Catalytic Converter EPA Approved is backed by our 100% satisfaction guarantee.

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49790. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2004-2005 BMW 645Ci, 2004-2005 BMW 545i, and more, this direct-fit catalytic converter also interchanges with OE parts 18 40 7 522 554 and 18 40 7 522 570. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Converter Tube Material - Stainless Steel, Clamps Included - No, Type - One-Piece, Grade Type - Regular, Converter Body Length - 6.25 in., Inlet Type - Flanged, Outlet Type - Flanged, Heat Shield Attached - No, California Air Resources Board (CARB) Certified - No, Substrate Material - Ceramic, Inlet Gasket Included - Yes, Inlet Mounting Hardware Included - No, Outlet Gasket Included - No, Outlet Mounting Hardware Included - Yes, Overall Length - 31.25 in., Sensor Port Count - 2, Converter Body Material - Stainless Steel, Body Type - Spun, CARB Executive Order Number - Not Applicable, Finish - Stainless Steel, Prop 65 Y/N - No, Series - OEM Grade

Catalytic Converter

Direct Fit Catalytic Converter

Direct Fit Catalytic Converter; 49 State; Grade Series; Overall L-30.25 in.;

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.

MagnaFlow Performance Exhaust got its start as a natural extension of Car Sound Exhaust Systems, Inc., our parent company, that specializes in superior catalytic converter technology. Car Sound Exhaust Systems, Inc. has spent 25 years earning a reputation as a market leader around the world. Today, we at Car Sound/MagnaFlow are extremely proud of this and stake our 25 years of experience and reputation on each and every one of our products. Each new product we develop is personally evaluated by me and tested by our team of designers and engineers, then field tested to ensure that these products meet our stringent quality and performance standards. On May 18, 2000 Car Sound/MagnaFlow Performance Exhaust was awarded the ISO-9001 certificate. ISO-9001 is an international quality standard created by the International Organization for Standardization to define quality management and manufacturing systems. It has 20 specific design, material, and process requirements that help MagnaFlow/Car Sound ensure customer satisfaction with our products and services. ISO-9001 certified companies are re-audited every six months to ensure that quality standards are maintained. Together, we stand united in our passion to deliver the best performing, most durable and capable exhaust components in the world. As we go forward, you'll slowly start to witness a change as we segue fully into the MagnaFlow Performance Exhaust brand identity, a name that has achieved global recognition. This change will simply help people from both sides of our business understand that high quality and high performance is part of our mantra and...it's in our name.