Air Intake Kit

1991-01 Cherokee XJ 4.0L 6 cylinder engine Polished mandrel bent 6063 aluminum air intake tube Simple no-drill installation bolts on using simple hand tools Includes a high-flow conical dry panel filter that never needs oiling Intakes kit black powder coated heat shield Improves fuel economy up to 10% Adds up to 10HP and 12ft lbs or torque Want more horsepower, better throttle response, and improved acceleration? A Rugged Ridge Air Intake System can boost your performance, while... Read More Learn More

Engineered to minimize hot air from entering the engine in order to increase HP. Specifically Designed to increase air volume. All necessary hardware is included. No need for oil or cleaning with the PowerCore® Filter which has a 100,000 mile guarantee. Learn More

Engineered to minimize hot air from entering the engine in order to increase HP. Specifically Designed to increase air volume. All necessary hardware is included. No need for oil or cleaning with the PowerCore® Filter which has a 100,000 mile guarantee. Learn More

Gain increased horsepower and throttle response while protecting your engine from harmful particles and debris with Rough Country’s Cold Air Intake System. This intake system moves the air filter away from the stuffy engine compartment so cooler air can be circulated into the engine for an increase in power. Cooler air is more dense, and brings more oxygen into the combustion chamber to help your vehicle perform at its greatest potential. The cylindrical design and large diameter tube... Read More Learn More

This 4.0L cold air intake is crafted from durable mandrel bent aluminum for optimum performance and heat dissipation. The tube is finished in a tough gun metal gray powder coat finish for aggressive styling and corrosion resistance. Learn More

Provides 13-horsepower gain @ 5,000 RPM for your 3.8L engine. Torque gains of over 15 ft./lbs. were also achieved at 4,000 RPM. Performs three-axis testing to qualify gains made at different throttle positions and to ensure extra power at every point across the rpm band. Learn More

Designed to allow cooler outside air to flow through a directional cone filter, directly into the intake manifold. They provide noticeable horsepower and torque gains under varying atmospheric conditions. Learn More

Included with this Cold Air Intake system is an intake tube that was specially designed to accommodate all factory hoses and control devices. Learn More

At the heart of this Cold Air Intake system is an AIRAID Premium Series high-flow air filter that is protected from the engine by our innovative Cool Air Dam (CAD) design. Learn More

This filter features five layers of pre-oiled cotton gauze media to provide maximum performance. Learn More