MagnaFlow's CARB-compliant direct-fit catalytic converter is built for the listed 2004–2005 BMW 545i, 645Ci and 745i applications. It reproduces OEM-like flow with mandrel-bent tubing and corrosion-resistant construction, includes gaskets and hardware to reduce the chance of leaks, and meets California emissions testing requirements so it can be legally installed in CARB states for the specified vehicles.
Product Description
MagnaFlow DF Cat. Conv BMW 04-05 545I 4.4L / 04-05 645CI 4.4L / 04-05 745I 4.4L California - D/S
Additional Product Details
Magnaflow California Manifold Catalytic Converter
Features & Benefits
Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
Expertly Crafted To Replicate OEM Like Flow Dynamics; Maintaining Factory Performance And Fuel Efficiency
Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
Your Trusted Source For CARB-Compliant Catalytic Converters; Providing Assurance Of Genuine Compliance
Simplifies installation with essential gaskets and hardware being included in the box
Simplifies Installation w/Essential Gaskets And Hardware Being Included In The Box
Durable 308 stainless steel MIG welds
Manufacturer Description
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452789. 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 7 522 555 and 18 40 7 522 571. 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 452789. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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. MagnaFlow 452789 includes (4) Flange Gaskets, (2) Bolts, (2) Nuts and interchanges with OE parts 18 40 7 522 555, 18 40 7 522 571. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.