View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 2011 Buick Regal with catalytic converter direct fit? At Tunersports.com we carry a huge selection of the top name brand performance catalytic converter direct fit parts and accessories.
 OUT OF STOCK 21-177Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-177. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, n... MagnaFlow Direct Fit Catalytic Converter 2012-2016 Buick LaCrosse/ 2012-2015 Buick Regal 2.4 2011-2011 Buick Regal CXL $693.00 |
 IN STOCK - DROPSHIPS 51703MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51703 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel constr... MagnaFlow Direct Fit Catalytic Converter 2011 Buick Regal 2.0L 2011-2011 Buick Regal CXL $733.00 |
 OUT OF STOCK 51707MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51707 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel constr... MagnaFlow Direct Fit Catalytic Converter 2011 Buick Regal 2.0L 2011-2011 Buick Regal CXL $890.00 |
 IN STOCK - DROPSHIPS 52909Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 52909. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no... MagnaFlow Direct Fit Catalytic Converter 2012-2015 Buick Verano 2.4L OEM Grade 2011-2011 Buick Regal CXL $748.00 |