| Year | Make | Model |
|---|---|---|
| 2010 - 2019 | Ford | C-Max |
| 1998 - 2019 | Ford | Focus |
| 2013 - 2023 | Ford | Transit Connect |
| 2014 - 2019 | Kia | Soul |
K&N Performance Intake Kit | Ford C-Max / Focus II / Volvo C30 / S40 / V40 / V50 / V70 / Mazda 3 / 5 (57S-4000)
K&N Performance Intake Kit | Ford C-Max / Focus II / Volvo C30 / S40 / V40 / V50 / V70 / Mazda 3 / 5 (57S-4000)
SKU:57S-4000
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The K&N Performance Intake Kit 57S-4000 by K&N Engineering is a high-performance air intake system designed to replace the factory air filter and air box lid on select Ford, Volvo, and Mazda models. This kit features a performance air box that significantly reduces airflow restrictions and smooths airflow into the engine, allowing for increased air intake volume. Equipped with an oversized conical K&N high-flow air filter, it enhances engine breathing capacity, resulting in improved power output and acceleration across the RPM range. Constructed with durable materials, the kit is engineered to optimize airflow and boost engine efficiency, making it a popular upgrade for enthusiasts seeking better performance and responsiveness.
This intake kit is compatible with Ford C-Max and Focus II, Volvo C30, S40, V40, V50, V70, and Mazda 3 and 5 models. It is designed for vehicles within specific year ranges and serves as a direct replacement for the stock air intake components. The installation is straightforward, typically involving bolt-on replacement of the factory air box, with no additional modifications required. The kit includes the performance air box and high-flow filter, providing a complete upgrade for street and performance-oriented driving. Ideal for daily drivers and enthusiasts alike, this system enhances airflow and engine performance for a more responsive driving experience.
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Overview
Overview
K&N Engineering Performance Intake Kit
Fits Ford C-Max, Focus II, Volvo C30, S40, V40, V50, V70, Mazda 3, Mazda 5
Part #: 57S-4000
Overview
The K&N 57S-4000 Performance Intake Kit is a high-performance air intake system designed to replace the factory air filter and air box lid on select Ford, Volvo, and Mazda models. Crafted for automotive enthusiasts seeking improved airflow and engine response, this intake kit helps maximize your vehicle’s power potential while maintaining reliable operation. It’s ideal for drivers who want to enhance their vehicle’s acceleration and throttle response without compromising durability or drivability. The kit features a large, high-flow K&N conical air filter that captures more air and supports optimal engine breathing, resulting in a noticeable improvement in performance across the RPM range.Key Features
This intake system is engineered with precision to deliver a combination of increased airflow and durability. Key features include:- Oversized conical high-flow K&N air filter for maximum air intake
- Smooth, straightened airflow path to reduce turbulence and restriction
- Durable, high-quality construction designed for long-lasting performance
- Easy bolt-on installation with minimal tools required
- Replaces restrictive factory airbox components for improved throttle response
- Designed to support increased engine breathing and efficiency
Construction & Design
The intake kit features a robust, high-flow air filter housed within a custom-designed airbox that promotes smooth airflow. The materials used are engineered for durability and resistance to heat and environmental factors, ensuring consistent performance over time. The design emphasizes minimal airflow restriction and optimized air delivery to the engine, supporting enhanced response and efficiency.Installation & Fitment
Installation is straightforward, with a direct bolt-on design that requires basic hand tools. The kit is tailored to fit specific vehicle models, ensuring a secure and precise fit without the need for modifications. Proper installation helps maximize the performance benefits and maintains factory-level reliability.What’s Included
The package includes the high-flow K&N conical air filter, the custom airbox, and all necessary hardware for a complete installation.