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Looking for aftermarket parts to modify or upgrade your 2004 GMC Sierra 2500 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 21-989Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-989. 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 02-06 Sierra 2500HD 6.0L Direct Fit Converter 2004-2004 GMC Sierra 2500 Base / SLE / SLT / WT $365.00 |
 OUT OF STOCK 23781Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23781. 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 Conv DF 05 Silverado 2500HD 6.0L 2001-2004 GMC Sierra 2500 SLE 2002-2004 GMC Sierra 2500 Base 2003-2004 GMC Sierra 2500 WT $1,176.00 |
 OUT OF STOCK 49006Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49006. 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 05 Silverado 2500HD 6.0L 2002-2004 GMC Sierra 2500 Base / SLE 2003-2004 GMC Sierra 2500 WT $1,281.00 |
 IN STOCK - DROPSHIPS 51759Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51759. 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 lase... MagnaFlow Direct Fit Catalytic Converter 98-04 VW Beetle 1.9L 2004-2004 GMC Sierra 2500 SLE / SLT $258.00 |