2003 Toyota 4Runner Exhaust Systems

52 products listed as compatible with this vehicle by the retailer feed.

Back to 2003 Toyota 4Runner parts

  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Manifold Catalytic Converter, 49341

    MagnaFlowMPN 49341New

    In stock

    $1,038.00

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Manifold Catalytic Converter, 52057

    MagnaFlowMPN 52057New

    In stock

    $1,242.00

    Listed as compatible with this vehicle by the retailer feed.

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  • Dorman Manifold Converter - CARB Compliant - Direct replacement, 672-796

    DormanMPN 672-796New

    In stock

    $1,244.00

    Listed as compatible with this vehicle by the retailer feed.

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  • Dorman Manifold Converter - CARB Compliant - Direct replacement, 673-7971

    DormanMPN 673-7971New

    In stock

    $1,367.00

    Listed as compatible with this vehicle by the retailer feed.

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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.