Compared across 4 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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This is a bolt-on replacement catalytic converter from MagnaFlow, built to meet California's stricter emissions rules under CARB Executive Order D-193-175. It uses a stainless steel case with a single bolt-on inlet and outlet and measures 10 inches overall, so it installs with basic hand tools instead of welding. The kit includes the flange gasket, ring gasket, two bolts and two washers, which saves a trip for hardware. It suits owners of California-registered cars who failed a smog check or have a rusted or clogged converter. Against universal weld-in converters it costs more effort up front but installs faster and is legal where universal units are not. Against OEM replacements it is usually the more affordable legal option, though it is not a performance upgrade.
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Lowest price we've seen: $814.12 on Nov 9 at The Twister Group. Tracked across 4 stores since Nov 9.
Owners of California cars generally report that this converter bolts up to the factory flanges and clears smog once the rest of the emissions system is healthy. Complaints center on fitment for the wrong application and on converters that did not fix a check-engine light caused by other faults.
The Magnaflow Direct-Fit California Catalytic Converter is a direct-fit replacement converter for cars. It has a stainless steel case and complies with California regulations under CARB Executive Order D-193-175.
The converter has a single bolt-on inlet and a single bolt-on outlet. Its overall length is 10 inches.
