Shop Nissan Catalytic Converter With Manifolds. Purchase Nissan Exhaust Manifold Catalytic Converter Replacement Cost & Nissan Manifold Catalytic Converter Price. Maintaining the health of your Nissan's Catalytic Converter with Manifold is crucial for ensuring peak performance and longevity. Regularly check for signs of wear such as reduced fuel efficiency, a sulfur-like smell, or a check engine light, as these may indicate the need for a replacement. To extend its lifespan, commit to timely servicing and use high-quality fuel to prevent clogging. When selecting a replacement, consider the two types available: direct-fit converters for ease of installation and universal converters that may require professional modification. Opt for models crafted with durable materials to withstand the rigors of exhaust heat and seek professional installation to guarantee optimal function. With the right care and choice, your Nissan's emissions control will remain in top condition, safeguarding both your vehicle's efficiency and the environment.