K&N Engineering 70-1578 NextGen Aluminum Cold Air Intake for Ram 1500 5.7L V8

This K&N NextGen Aluminum cold air intake system is engineered for your Ram 1500 V8 5.7L F/I. An American 6063 aluminum rigid tube helps increase the volume of airflow up to 34% to your engine and provides an increase up to 18.9 horsepower and 21 torque with no tune required. This intake system is paired with a washable, reusable High-Flow LIFETIME Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom designed NextGen air box helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 60 minutes. A custom designed NextGen air box helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 60 minutes. Associated products: RU-5342 Universal Air Filter, 99-5000 Filter Care Service Kit Aerosol

• Sharper, More Aggressive Sound: The rigid aluminum tube allows the engine’s natural airflow to resonate, producing a race-inspired induction sound.

The K&N Engineering 70-1578 NextGen Aluminum Cold Air Intake is designed for select Ram 1500 trucks equipped with the 5.7L V8 engine. Its rigid American 6063 aluminum intake tube helps increase airflow volume by up to 34%, supporting gains of up to 18.9 horsepower and 21 lb-ft of torque without requiring an engine tune. The system also produces a sharper, more aggressive induction sound by allowing the engine’s natural airflow to resonate through the aluminum tube.

A washable and reusable K&N High-Flow Lifetime Air Filter uses oiled cotton filter media and an oversized conical design. Under normal highway driving conditions, the filter can go up to 100,000 miles between services. The custom-designed NextGen air box helps shield incoming air from high engine-bay temperatures, supporting consistent intake performance. Installation typically takes less than 60 minutes using common hand tools.

Designed as a direct-fit automotive intake system, the K&N 70-1578 includes the necessary intake components for a clean installation on compatible Ram 1500 applications. It fits select 2019 and 2020 Ram 1500 models with the 5.7L V8 engine. This product is not CARB approved and may not be legal for sale or use on pollution-controlled vehicles in certain states. Review local emissions requirements before installation. Associated replacement and service products include the RU-5342 Universal Air Filter and 99-5000 Filter Care Service Kit Aerosol.

Brief Description

NextGen aluminum cold air intake system engineered to increase airflow, support horsepower and torque gains, enhance induction sound, and provide long-term filter serviceability for compatible Ram 1500 5.7L V8 applications.

Key Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: 70-1578
• Application: Ram 1500
• Engine: 5.7L V8
• Intake Material: American 6063 aluminum
• Filter Type: Washable and reusable oiled cotton
• Air Box: Custom NextGen heat-shielding design
• Installation: Typically completed in less than 60 minutes

What's Included in the Box

NextGen aluminum intake tube, washable and reusable K&N High-Flow Lifetime Air Filter, custom NextGen air box, and intake installation components.

Features:

• Increased Airflow: Helps increase airflow volume by up to 34% for improved engine breathing.
• Horsepower and Torque Support: Designed to provide gains of up to 18.9 horsepower and 21 lb-ft of torque without requiring a tune.
• Aluminum Intake Tube: Rigid American 6063 aluminum construction supports durability and produces a sharper, more aggressive induction sound.
• Reusable High-Flow Filter: Oversized conical oiled cotton filter is washable, reusable, and serviceable for up to 100,000 miles under normal highway driving conditions.

Fitments:
2019 Ram 1500 Big Horn
2019 Ram 1500 Laramie
2019 Ram 1500 Laramie Longhorn
2019 Ram 1500 Limited
2019 Ram 1500 Lone Star
2019 Ram 1500 Rebel
2019 Ram 1500 Tradesman
2020 Ram 1500 Big Horn
2020 Ram 1500 Laramie
2020 Ram 1500 Laramie Longhorn
2020 Ram 1500 Limited
2020 Ram 1500 Lone Star
2020 Ram 1500 Rebel
2020 Ram 1500 Special Service
2020 Ram 1500 Tradesman
2021 Ram 1500 Big Horn
2021 Ram 1500 Laramie
2021 Ram 1500 Laramie Longhorn
2021 Ram 1500 Limited
2021 Ram 1500 Limited Longhorn
2021 Ram 1500 Lone Star
2021 Ram 1500 Longhorn
2021 Ram 1500 Rebel
2021 Ram 1500 Special Service
2021 Ram 1500 Tradesman
2022 Ram 1500 Big Horn
2022 Ram 1500 Laramie
2022 Ram 1500 Limited
2022 Ram 1500 Limited Longhorn
2022 Ram 1500 Lone Star
2022 Ram 1500 Rebel
2022 Ram 1500 Tradesman
2023 Ram 1500 Big Horn
2023 Ram 1500 Laramie
2023 Ram 1500 Limited
2023 Ram 1500 Limited Longhorn
2023 Ram 1500 Lone Star
2023 Ram 1500 Rebel
2023 Ram 1500 Tradesman
2024 Ram 1500 Big Horn
2024 Ram 1500 Laramie
2024 Ram 1500 Limited
2024 Ram 1500 Limited Longhorn
2024 Ram 1500 Lone Star
2024 Ram 1500 Rebel
2024 Ram 1500 Tradesman
2026 Ram 1500 Big Horn
2026 Ram 1500 Express
2026 Ram 1500 Laramie
2026 Ram 1500 Limited
2026 Ram 1500 Limited Longhorn
2026 Ram 1500 Lone Star
2026 Ram 1500 Rebel
2026 Ram 1500 Tradesman
2026 Ram 1500 Warlock

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1