MagnaFlow Direct Fit Catalytic Converter 03-07 GM 2500/3500 Passenger Side - 447273 Coolant Fill Necks this is how

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MagnaFlow Direct Fit Catalytic Converter 03-07 GM 2500/3500 Passenger Side - 447273 Coolant Fill Necks this is howMagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 447273 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state of the art 3D scanning systems in the design