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Looking for aftermarket parts to modify or upgrade your 2003 Buick Regal with catalytic converter universal? At Tunersports.com we carry a huge selection of the top name brand performance catalytic converter universal parts and accessories.
 IN STOCK 51206MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51206 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel constructio... MagnaFlow Conv Universal 2.50 OEM 1997-2004 Buick Regal GS / LS $211.00 |
 IN STOCK - DROPSHIPS 51306MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51306 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel constructio... MagnaFlow Universal Catalytic Converter 2.50 GM 3.8L OEM 1997-2004 Buick Regal GS / LS $220.00 |
 IN STOCK 99206HMMagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99206HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel constructi... MagnaFlow Conv Univ 2.50inch 1997-2004 Buick Regal GS / LS $194.00 |
 IN STOCK - DROPSHIPS 99306HMKeep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99306HM. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single las... MagnaFlow Universal Catalytic Converter 2.5inch GM 3.8L 1997-2004 Buick Regal GS / LS $204.00 |