MagnaFlow Direct Fit Catalytic Converter 04-05 BMW 545I 4.4L P/S - 452790 Axle Back Utilizes a single Catalytic Converter

Utilizes a single Catalytic Converter for Maximum Flow

CAUTION: Always wear safety glasses when using cutting or grinding tools and equipment

this system runs a full 3-inch diameter from inlet to outlet for maximum flow

Power and torque levels are increased through the entire rpm range

Measured Flow: 525 CFM @ 7" H2O

MagnaFlow Direct Fit Catalytic Converter 04-05 BMW 545I 4.4L P/S - 452790 Axle Back Utilizes a single Catalytic ConverterKeep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 452790. 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