2006 Kia Optima Exhaust Systems

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

Back to 2006 Kia Optima parts

  • Walker CalCat CARB Direct Fit Catalytic Converter, 84250

    WalkerMPN 84250New

    In stock

    $549.99

    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, 49302

    MagnaFlowMPN 49302New

    In stock

    $561.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Dorman Direct Fit Catalytic Converter: No Fabrication Needed, EPA Compliant, 679-515

    DormanMPN 679-515New

    In stock

    $571.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Manifold Catalytic Converter, 50909

    MagnaFlowMPN 50909New

    In stock

    $631.99

    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, 51634

    MagnaFlowMPN 51634New

    In stock

    $662.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter, 452044

    MagnaFlowMPN 452044New

    In stock

    $727.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 46.000 IN, 55312

    WalkerMPN 55312New

    In stock

    $763.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter, 452036

    MagnaFlowMPN 452036New

    In stock

    $769.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter, 452018

    MagnaFlowMPN 452018New

    In stock

    $771.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter, 452021

    MagnaFlowMPN 452021New

    In stock

    $821.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 21-161

    MagnaFlowMPN 21-161New

    In stock

    $855.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, 452020

    MagnaFlowMPN 452020New

    In stock

    $864.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 48.000 IN, 50479

    WalkerMPN 50479New

    In stock

    $941.99

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow HM Grade Federal / EPA Compliant Direct-Fit Manifold Catalytic Converter, 50708

    MagnaFlowMPN 50708New

    In stock

    $951.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 16667

    WalkerMPN 16667New

    In stock

    $965.99

    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, 51970

    MagnaFlowMPN 51970New

    In stock

    $999.99

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold, 16483

    WalkerMPN 16483New

    In stock

    $1,109.00

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter, 452047

    MagnaFlowMPN 452047New

    In stock

    $1,113.00

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51697

    MagnaFlowMPN 51697New

    In stock

    $1,149.00

    Listed as compatible with this vehicle by the retailer feed.

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  • Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 8.000 IN, 16395

    WalkerMPN 16395New

    In stock

    $1,155.00

    Listed as compatible with this vehicle by the retailer feed.

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  • MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 49906

    MagnaFlowMPN 49906New

    In stock

    $1,263.00

    Listed as compatible with this vehicle by the retailer feed.

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  • Dorman Pre-Converter - CARB Compliant, 678-515

    DormanMPN 678-515New

    In stock

    $1,434.00

    Listed as compatible with this vehicle by the retailer feed.

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  • Dorman Manifold Converter - CARB Compliant, 672-629

    DormanMPN 672-629New

    In stock

    $1,550.00

    Listed as compatible with this vehicle by the retailer feed.

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  • Dorman Manifold Converter - CARB Compliant, 672-630

    DormanMPN 672-630New

    In stock

    $1,552.00

    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.