2005 Kia Optima Exhaust Systems

41 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.

Back to 2005 Kia Optima parts

  • MagnaFlow California Grade CARB Compliant Universal Catalytic Converter, 441304

    MagnaFlowMPN 441304New

    In stock

    $548.99

    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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  • 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, 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 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 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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  • Victor Reinz Exhaust Pipe Flange Gasket, 71-15381-00

    Victor ReinzMPN 71-15381-00New

    Out of stock

    $6.29

    Listed as compatible with this vehicle by the retailer feed.

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  • Victor Reinz Exhaust Pipe Flange Gasket, 71-15054-00

    Victor ReinzMPN 71-15054-00New

    Out of stock

    $14.49

    Listed as compatible with this vehicle by the retailer feed.

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  • Victor Reinz Exhaust Manifold Gasket Set, 11-10228-01

    Victor ReinzMPN 11-10228-01New

    Out of stock

    $26.49

    Listed as compatible with this vehicle by the retailer feed.

    Check price

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.