Cold Air Intake Kit | 4.0L | Pre Filter | Jeep Wrangler TJ 4WD (1997-2006)

Upgrade your Jeep Wrangler TJ 4WD with Rough Country's Cold Air Intake Kit for the 4.0L engine. This drop-in upgrade pulls in cooler, denser air for sharper throttle response and potential horsepower, while protecting the engine from debris.

• Fitment: Specifically designed for Jeep Wrangler TJ 4WD (1997–2006) with a 4.0L engine
• Cooler Air Positioning: Relocates the air filter away from the hot engine compartment to pull in cooler, denser air
• Cylindrical Tube Design: Large diameter tube provides improved airflow over a traditional factory air box
• Premium Reusable Air Filter: High-performance filter that’s easy to clean and reuse for long-term use
• Pre-Filter Included: Additional protection against dust and debris for extended filter life
• Ease of Installation: Designed for a straightforward bolt-on installation with minimal downtime
• Warranty: Covered by a Limited Lifetime Warranty

By drawing in cooler air, the intake increases air density, delivering more oxygen to the combustion chamber and unlocking enhanced throttle response and potential horsepower gains. The design moves the filter away from the engine bay to minimize heat soak, helping maintain consistent performance in varied driving conditions. The reusable filter lowers maintenance costs over time, and the pre-filter adds an extra layer of protection against dust and debris. This kit is ideal for off-road excursions, daily drivers seeking more responsive acceleration, and anyone looking for a durable, easy-to-install upgrade that improves overall engine performance without altering fuel systems.