Discover Jeep Grand Cherokee Air Intake Manifold & Jeep Grand Cherokee Intake Air Temperature Sensor. Explore Jeep Grand Cherokee Intake Manifold Gasket. Maintaining the air intake system of your Jeep Grand Cherokee is critical for ensuring peak engine performance and efficiency. Regularly inspect the air filter for dirt accumulation, and consider a replacement if you notice a decrease in horsepower or fuel economy. Extend the lifespan of your air intake by opting for durable materials and adhering to a cleaning routine. When choosing a new air intake, consider the cold air intake for improved combustion and the short ram for a more direct airflow, each enhancing performance in its own way. For DIY enthusiasts, ensure compatibility with your Grand Cherokee model and follow manufacturer guidelines for a seamless installation, boosting your vehicle's power and potentially increasing its resale value.