Looking for aftermarket parts to modify or upgrade your 2003 Toyota 4Runner 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 47-46003Replace the faulty or old stock catalytic converter with the all new aFe power direct-fit cat replacement. This cat replacement is constructed of mandrel-bent, 100% MIG welded stainless steel for strength and durability. This unit comes with a 49-State federal approved cat and 3/8" thick flanges fo... aFe Power Direct Fit 409 SS Rear Passenger Catalytic Converter 05-11 Toyota FJ Cruiser V6-4.0L 2003-2009 Toyota 4Runner Sport 2003-2018 Toyota 4Runner Limited / SR5 $468.15 |
IN STOCK - DROPSHIPS 47-46004Replace the faulty or old stock catalytic converter with the all new aFe power direct-fit cat replacement. This cat replacement is constructed of mandrel-bent, 100% MIG welded stainless steel for strength and durability. This unit comes with a 49-State federal approved cat and 3/8" thick flanges fo... aFe Power Direct Fit 409 SS Rear Driver Catalytic Converter 05-11 Toyota FJ Cruiser V6-4.0L 2003-2009 Toyota 4Runner Sport 2003-2018 Toyota 4Runner Limited / SR5 $500.69 |
IN STOCK - LOW 47-46007Replace the faulty or old stock catalytic converter with the all new aFe power direct-fit cat replacement. This cat replacement is constructed of mandrel-bent, 100% MIG welded stainless steel for strength and durability. This unit comes with a 49-State federal approved cat and 3/8" thick flanges fo... aFe Power Direct Fit 409 SS Front Right Catalytic Converter 05-11 Toyota Tacoma V6-4.0L 2003-2009 Toyota 4Runner Limited / Sport / SR5 $568.00 |
IN STOCK - DROPSHIPS 47-46008Replace the faulty or old stock catalytic converter with the all new aFe power direct-fit cat replacement. This cat replacement is constructed of mandrel-bent, 100% MIG welded stainless steel for strength and durability. This unit comes with a 49-State federal approved cat and 3/8" thick flanges fo... aFe Power Direct Fit 409 SS Front Left Catalytic Converter 05-11 Toyota Tacoma V6-4.0L 2003-2009 Toyota 4Runner Limited / Sport / SR5 $574.38 |

IN STOCK - DROPSHIPS 23984Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23984. 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 05-07 4-Run/FJ Driver Side Rear 2003-2009 Toyota 4Runner Limited / Sport / SR5 $621.00 |
IN STOCK - DROPSHIPS 23985Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23985. 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 05-07 4-Run/FJ Passenger Side Rear 2003-2009 Toyota 4Runner Sport 2003-2024 Toyota 4Runner Limited / SR5 $612.00 |
IN STOCK - DROPSHIPS 49210Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49210. 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 05-07 4-Run/FJ D/S rr OEM 2003-2009 Toyota 4Runner Limited / Sport / SR5 $652.00 |
IN STOCK - DROPSHIPS 49211Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49211. 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 05-07 4-Run/FJ P/S rr OEM 2003-2009 Toyota 4Runner Sport 2003-2024 Toyota 4Runner Limited / SR5 $643.00 |
OUT OF STOCK 49339Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 49339. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper ... MagnaFlow Direct Fit Catalytic Converter 03-04 4Run 4.7 Driver Side Manifold OEM 2003-2004 Toyota 4Runner Limited / Sport / SR5 $703.00 |
IN STOCK - DROPSHIPS 49340Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 49340. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper ... MagnaFlow Direct Fit Catalytic Converter 03-04 4Run 4.7 Passenger Side Manifold OEM 2003-2004 Toyota 4Runner Limited / Sport / SR5 $745.00 |
OUT OF STOCK 49341Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 49341. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper ... MagnaFlow Direct Fit Catalytic Converter 05-09 Taco 4L D/S mani OEM 2003-2009 Toyota 4Runner Limited / Sport / SR5 $1,037.00 |
OUT OF STOCK 49696MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49696 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 03-04 4Runner 4.7 Rear OEM 2003-2004 Toyota 4Runner Limited / Sport / SR5 $319.00 |
OUT OF STOCK 50740Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 50740. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper t... MagnaFlow Conv DF 03-04 4Run 4.7 Driver Side Manifold 2003-2004 Toyota 4Runner Limited / Sport / SR5 $646.00 |
IN STOCK - DROPSHIPS 50848Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 50848. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper t... MagnaFlow DF Catalytic Conv Toyota 03-09 4Runner/05-09 Tacoma/05-06 Tundra 4.0L Driver Side Manifold 2003-2009 Toyota 4Runner Limited / Sport / SR5 $988.00 |
IN STOCK - DROPSHIPS 52057Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 52057. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper ... MagnaFlow Direct Fit Catalytic Converter 03-04 4Runner 4.0L P/S 2003-2004 Toyota 4Runner Limited / Sport / SR5 $1,241.00 |
OUT OF STOCK 93655MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 93655 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 Conv DF 03-04 4Runner 4.7 Rear 2003-2004 Toyota 4Runner Limited / Sport / SR5 $313.00 |