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This is a direct-fit catalytic converter for 2007-2011 Ford Ranger 4.0L and 2007-2009 Mazda B4000 4.0L trucks. It is California Grade and CARB compliant, so it is legal in California and other CARB-restricted states, which most universal and 49-state converters are not. It bolts on with no cutting or welding, and the stainless steel body with mandrel-bent tubing is built to resist corrosion. It is the right pick for a Ranger or B4000 owner in a CARB state who wants an OE-style fit; shoppers in 49-state areas can often use a cheaper federal-grade converter instead.
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Owners of 4.0L Rangers and B4000s report the converter bolts up to the factory flange and clears the check engine light. Most praise the fit and the CARB legality; a few note the price premium over federal converters and that gaskets and hardware are not included.
The MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451678 is a replacement converter for the 2007-2011 Ford Ranger 4.0L and the 2007-2009 Mazda B4000 4.0L. It is designed to meet or exceed California Air Resources Board requirements. It has undergone additional testing to comply with CARB guidelines, which allows legal use in California and CARB restricted states on the listed vehicles.
The converter is built from highly corrosion resistant stainless steel with free-flowing mandrel-bent tubing. It replicates the original equipment design and uses a single laser fusion weld, which reduces the possibility of a leak. Its compact, low-mass design allows for greater thermal efficiency. MagnaFlow used 3D scanning during development so the part fits and functions like the original equipment.
This is a direct-fit part. It can be installed with the proper tools, and no cutting or welding is required.
