K&N NextGen Aluminum Cold Air Intake

Ram 1500 V8 5.7L

Part #: 70-1578

Overview

The K&N NextGen Aluminum Cold Air Intake is a high-performance upgrade designed specifically for the Ram 1500 equipped with the 5.7L V8 engine. This intake system enhances your truck’s breathing capability by increasing airflow volume, which translates into improved horsepower and torque without the need for additional tuning. Ideal for Ram 1500 owners seeking a reliable, bolt-on performance enhancement, this intake delivers noticeable gains while maintaining factory-like drivability and sound.

Built to last and engineered for efficiency, the system includes a washable, reusable air filter that provides long service intervals, making it a practical choice for daily drivers and enthusiasts alike.

Key Features

Designed to optimize airflow and engine performance, the K&N NextGen Aluminum Cold Air Intake offers the following key benefits:

• Up to 34% increase in airflow volume to the engine
• Horsepower gains up to 18.9 hp and torque increase of 21 lb-ft without requiring a tune
• Durable 6063 American aluminum intake tube for rigidity and heat resistance
• Washable and reusable High-Flow LIFETIME Air Filter with oiled cotton media
• Oversized conical filter design allows up to 100,000 miles between cleanings under normal highway conditions
• Custom NextGen air box shields intake air from engine bay heat for cooler, denser air
• Simple installation typically completed in under 60 minutes

Construction & Design

The intake system features a precision-engineered 6063 aluminum tube, known for its strength, lightweight properties, and excellent thermal conductivity. This rigid construction minimizes intake tube flex and heat soak, ensuring a consistent flow of cooler air to the engine. The custom-designed NextGen air box further protects the intake charge from the elevated temperatures within the engine bay, helping maintain optimal air density for combustion efficiency.

The included High-Flow air filter uses oiled cotton media, which is both washable and reusable, providing long-term value and sustained filtration performance. The oversized conical shape maximizes surface area, enhancing airflow while maintaining excellent filtration.

Performance & Sound

By increasing airflow by up to 34%, this cold air intake system boosts engine output by up to 18.9 horsepower and 21 lb-ft of torque without requiring any ECU tuning. The improved airflow also contributes to a more responsive throttle feel and a subtle, aggressive induction sound that enhances the driving experience without being intrusive.

Installation & Fitment

The K&N NextGen Aluminum Cold Air Intake is designed for a straightforward, bolt-on installation on Ram 1500 trucks equipped with the 5.7L V8 engine. Most installations can be completed in less than 60 minutes using basic hand tools, with no permanent modifications or special tuning required. The system fits precisely with factory mounting points and hardware, ensuring a secure and professional fit.

What's Included

• 6063 aluminum intake tube
• Custom NextGen air box
• Washable, reusable High-Flow LIFETIME Air Filter with oiled cotton media
• All necessary mounting hardware and clamps
• Detailed installation instructions

Ideal For

This cold air intake system is ideal for Ram 1500 owners who want to enhance their truck’s performance with a durable, easy-to-install upgrade. It suits daily drivers looking for improved throttle response and fuel efficiency, as well as enthusiasts seeking reliable horsepower and torque gains without complex tuning or modifications.

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.

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