Purchase Toyota RAV4 Catalytic Converter With Integrated Exhaust Manifold & Toyota RAV4 Exhaust Manifold Catalytic Converter Replacement Cost. Maintaining the Catalytic Converter with Manifolds in your Toyota RAV4 is crucial for ensuring optimal performance and longevity. Regular checks for clogs, and ensuring timely replacement of filters can extend its lifespan, while signs of deterioration include reduced fuel efficiency and a noticeable drop in engine performance. When selecting a replacement, it's important to consider the various types available, such as two-way, three-way, and three-way with air, each offering distinct features to meet emission standards. High-grade stainless steel converters are recommended for their durability, and professional installation is advised to ensure proper fitting and function. Shop our selection for a premium range of converters tailored to fit your RAV4 and enhance your vehicle's efficiency.