I contacted our representative at MagnaFlow about the differences in the metallic and ceramic catalytic converters.
The representative informed me that the metallic catalytic converters, like part # MF59956 are a bit stronger and would be good for applications where the catalytic converter is close to the header as they can handle more heat. The metallic ones are usually used on OBD1 applications.
The ceramic catalytic converters, such as part # MF99659HM, are not as strong and usually... view full answer...
In order to have a complete exhaust system for your 2001 Chevy Suburban you will need a cat-back system like a MagnaFlow Exhaust System # MF15798. Instructions link attached.
When it comes to catalytic converters the general consensus is that a ceramic converter will be more efficient at removing unburnt fuel, but the metal converters will flow better, which might give more power.
The ceramic converters recommended for your car are the:
MagnaFlow Direct Fit Ceramic Catalytic Converter,... view full answer...
According to MagnaFlow, the # MF50809 is the standard grade converter, while the # MF49296 is the OEM grade converter. The OEM Grade converters are specially formulated with a heavier wash coat and loaded with twice the amount of precious metals (platinum, palladium, rhodium) to provide a much stronger coverage and a Ceramic that's engineered for maximum airflow. MagnaFlow recommends going with the OEM Grade on high mileage vehicles, or vehicles that have a history of throwing check engine... view full answer...
Actually, both MagnaFlow catalytic converter # MF93649 and # MF49690 will look identical. And they do have O2 ports so that will be updated. The difference is the quality of the materials used inside the converters. For OEM grade you would use # MF49690. And for direct fit that is more economical use # MF93649. Both are 49-state legal. view full answer...
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