Looking for aftermarket parts to modify or upgrade your 2004 Buick Rainier 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 23967Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23967. 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 DF Conv 02-05 Chevy Trail Blazer/GMC Envoy V6 4.2L 113in Wheelbase/02-04 Olds Bravada V6 2004-2005 Buick Rainier CXL / CXL Plus $419.00 |
OUT OF STOCK 24950Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24950. 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 05-06 GMC Envoy XL Denali 2004-2004 Buick Rainier CXL / CXL Plus $797.00 |
OUT OF STOCK 4451172Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4451172. 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 2004 Buick Rainier 5.3L Direct Fit Converter 2004-2004 Buick Rainier CXL / CXL Plus $3,106.00 |
IN STOCK - DROPSHIPS 49191Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49191. 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 02-05 Trailblazer 4.2L OEM 2004-2005 Buick Rainier CXL / CXL Plus $440.00 |
OUT OF STOCK 49886Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49886. 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 05-06 GMC Envoy XL Denali 2004-2004 Buick Rainier CXL / CXL Plus $868.00 |
OUT OF STOCK 5451217Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5451217. 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 04-05 Chevrolet Trailblazer 4.2L Direct Fit Converter 2004-2005 Buick Rainier CXL / CXL Plus $1,651.00 |