Designed as a direct-fit replacement for 2010 Buick LaCrosse 3.0L, 2011-2015 Buick LaCrosse 3.6L, the MagnaFlow 557896 catalytic converter addresses the check engine lights, failed emissions tests, and reduced fuel economy that come with a clogged or deteriorated factory converter. Its California Grade CARB-compliant construction is built for a bolt-in installation at the original converter location.

MagnaFlow 557896 Compatibility Notes:

• Constructed of stainless steel with a ceramic substrate for durability and consistent catalytic performance.
• Designed for the rear position to match the original factory routing.
• Flange inlet and outlet connections replicate the factory mounting configuration for a bolt-in installation.
• Overall length of 55.75 in. matches the factory converter footprint.

This converter carries CARB Executive Order D-193-196 and is certified for sale and installation in California and New York.

Emissions Note:

This part is legal for sale and use on Emissions Controlled Vehicles, in all 50 states, when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO) number.

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