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Looking for aftermarket parts to modify or upgrade your 2003 Hummer H2 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.
 IN STOCK - DROPSHIPS 24083MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24083 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 constru... MagnaFlow Direct Fit Catalytic Converter 03-06 Hummer H2 6.0L P/S 2003-2006 Hummer H2 Base $714.00 |
 OUT OF STOCK 4451218Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4451218. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, ... MagnaFlow Catalytic Converter Direct Fit Hummer H2 2003-2003 Hummer H2 Base $960.00 |
 OUT OF STOCK 4451219Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4451219. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, ... MagnaFlow Direct Fit Catalytic Converter 03-09 Hummer H2 2003-2003 Hummer H2 Base $1,065.00 |
 IN STOCK - DROPSHIPS 51200MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51200 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 03-06 Hummer H2 6.0L Passenger Side 2003-2006 Hummer H2 Base $750.00 |
 IN STOCK - DROPSHIPS 51372Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51372. 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 constru... MagnaFlow Direct Fit Catalytic Converter 03-06 Hummer H2 6.0L D/S 2003-2006 Hummer H2 Base $744.00 |