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The MagnaFlow HM Grade direct-fit catalytic converter 24221 replaces OE units on select GM applications, including 2006–2009 Chevrolet Impala and 2005–2008 Pontiac Grand Prix models. It’s built to meet Federal emissions requirements and keep OBDII-equipped vehicles operating within EPA standards. The unit features mandrel-bent stainless tubing, OE-like hangers, and a spun-body design with durable MIG welds; it ships with a flange gasket and crush ring gasket for a proper seal and straightforward installation.
MagnaFlow 08-09 Buick LaCrosse 5.3L / 06-09 Chevy Impala 5.3L SS (49 State) D-Fit Catalytic Convert
