K&N 77 Series Cold Air Intake

Jeep Wrangler 07-11 3.8L V6

Part #: 77-1553KP

Overview

The K&N 77 Series Cold Air Intake is a high-performance upgrade designed specifically for the Jeep Wrangler equipped with the 3.8L V6 engine from 2007 through 2018. This intake system replaces the factory air filter and intake tube to deliver increased horsepower and torque, enhancing your vehicle’s overall driving experience. Ideal for Jeep enthusiasts looking to improve throttle response, engine sound, and fuel efficiency, the 77 Series Cold Air Intake offers a reliable and long-lasting solution for better airflow and filtration.

Engineered with precision, this system is perfect for daily drivers and off-road adventurers alike who want to maximize their Jeep’s potential without compromising durability or emissions compliance.

Key Features

The K&N 77 Series Cold Air Intake combines advanced engineering with durable materials to provide a noticeable performance boost. Key features include:

• Guaranteed increase in horsepower and torque for improved engine performance
• Mandrel-bent aluminum intake tube designed for smooth airflow and minimal restriction
• Oversized oiled cotton air filter that delivers high airflow while providing exceptional filtration
• Washable and reusable filter media, reducing maintenance costs and waste
• Engineered to replace the factory air filter and intake tube for a direct fit
• Filter cleaning interval of up to 100,000 miles under normal highway driving conditions
• Street legal in all 50 U.S. states, ensuring compliance with emissions regulations
• No-Hassle Lifetime Limited Warranty for peace of mind

Construction & Design

The intake tube is crafted from mandrel-bent aluminum, which ensures smooth bends and consistent diameter throughout the length of the tube. This design minimizes airflow turbulence and maximizes volume, allowing your engine to breathe more efficiently. The aluminum construction also provides excellent durability and resistance to heat soak, maintaining cooler air temperatures for better combustion.

The included air filter features multiple layers of oiled cotton gauze, which balances high airflow with superior filtration to protect your engine from harmful contaminants. The filter’s washable and reusable design supports long-term use and easy maintenance, making it a cost-effective upgrade.

Performance & Sound

With an estimated horsepower gain of 7.92 HP at 4807 RPM and an estimated torque increase of 8.7 lb-ft, the K&N 77 Series Cold Air Intake delivers tangible improvements in engine responsiveness and power delivery. The system also enhances the engine’s induction sound, providing a more aggressive and sporty tone that complements the Jeep Wrangler’s rugged character.

Installation & Fitment

Installation is straightforward and can typically be completed in 60 minutes or less using simple hand tools. The system is designed as a direct replacement for the factory air intake components, requiring no cutting, drilling, or other modifications. This ensures a secure fit and preserves the integrity of your vehicle’s engine bay layout.

The intake is specifically engineered to fit Jeep Wrangler models from 2007 to 2018 equipped with the 3.8L V6 engine, guaranteeing compatibility and optimal performance.

What's Included

• Mandrel-bent aluminum intake tube
• Oversized washable and reusable oiled cotton air filter
• All necessary mounting hardware and clamps
• Detailed installation instructions

Ideal For

This cold air intake system is ideal for Jeep Wrangler owners seeking a reliable and effective performance upgrade. Whether you use your Wrangler for daily commuting, weekend adventures, or off-road exploration, the K&N 77 Series Cold Air Intake enhances power, throttle response, and engine sound without compromising emissions compliance or vehicle warranty.

Emissions Note

This product is street legal in all 50 U.S. states and will not void your vehicle’s warranty, making it a compliant and safe choice for performance enthusiasts.

K&N is one of the most recognized names in performance filtration, offering reusable high-flow air filters, cold air intakes, and related filters for street and motorsports use. Their products are designed to improve airflow and serviceability—ideal for enthusiasts who want performance-oriented filtration and easy maintenance.