Kia Optima Exhaust Manifolds
This page brings together exhaust manifolds for the Kia Optima covering model years 2001–2020, including both standard exhaust manifolds and units with an integrated catalytic converter. Select your year above and we'll show only the exhaust manifolds that fit your Kia Optima. Fitment is checked against our vehicle data for every part listed.
Dorman Manifold Converter CARB Compliant Catalytic Converter with Integrated Exhaust Manifold
Walker Exhaust Ultra EPA Direct Fit Catalytic Converter with Integrated Exhaust Manifold
Dorman Manifold Converter with Integrated Catalytic Converter CARB Compliant
MagnaFlow 5531125 California CARB-Compliant Manifold Catalytic Converter
Catco Federal/EPA Direct-Fit Catalytic Converter with Integrated Exhaust Manifold
Dorman Manifold Converter Catalytic Converter with Integrated Exhaust Manifold CARB Compliant
What's here for your Kia Optima
- Exhaust manifolds with integrated catalytic converter — direct-fit units that combine the manifold and cat in a single assembly
- Exhaust manifolds — standalone manifolds, including front-position and gasket kits
- Headers and manifold kits for a complete installation
The widest selection here comes from Dorman, Catco, AP Exhaust, and Magnaflow, spanning a broad range of fitment styles, materials, and configurations for Optima model years across the full 2001–2020 span. Other categories Kia Optima owners shop for: Kia Optima Brake Rotors and Drums, Kia Optima Shocks and Struts and Kia Optima Springs and Suspension Parts, or browse all Kia Optima parts and accessories.