Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The MagnaFlow 93458 is a direct-fit replacement catalytic converter for cars, built from 100% stainless steel with a ribbed body and a monolithic honeycomb catalyst. It bolts to the factory exhaust flanges, so no cutting or welding is needed, and it ships with the gasket. That makes it a simpler job than universal converters, which need fabrication and often trip check-engine lights when the catalyst is undersized. It suits owners replacing a failed or rusted converter on a stock vehicle; it is not a performance upgrade and is not legal for use on California emissions vehicles unless the part number is CARB-exempt.
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Lowest price we've seen: $646.00 on Nov 9 at Realtruck. Tracked across 3 stores since Nov 9.
Owners who bought it for a stock replacement generally report a clean bolt-on fit and a check-engine light that stays off after the repair. Complaints center on fitment for the wrong application and on emissions legality in California.
The Magnaflow Direct-Fit Federal Catalytic Converter 93458 is a direct-fit catalytic converter for cars.
The body and heat shield are 100% stainless steel, which resists rust and oxidation. A ribbed body adds strength for durability and long life. The converter is seam welded close to the body to keep the catalyst from shifting.
Inside is a monolithic honeycomb catalyst made of low-resistance ceramic.
