HKS Super Air Filter

1986–1992 Mazda RX-7 FC3S/FC3C 13BT

Part #: 70017-AZ102

Overview

The HKS Super Air Filter is a high-performance replacement filter designed specifically for the Mazda RX-7 FC3S and FC3C models equipped with the 13BT engine from 1986 to 1992. This filter offers an excellent upgrade over the standard factory air filter, providing improved airflow that can help enhance your vehicle's engine efficiency and overall performance. Whether you're a street enthusiast, a weekend racer, or simply looking to optimize your rotary engine's breathing, this filter is an ideal choice.

By replacing the stock filter with the HKS Super Air Filter, you’ll benefit from increased filtration capacity, better durability, and longer service intervals. Its design ensures that your engine receives cleaner, more unrestricted airflow, which can contribute to improved throttle response, smoother acceleration, and potentially increased horsepower and torque. This upgrade is perfect for those seeking a reliable, straightforward way to boost their RX-7’s performance without extensive modifications.

Key Features

The HKS Super Air Filter incorporates several advanced features to deliver superior performance and longevity:

• High-flow, washable cotton gauze media that provides excellent airflow while maintaining filtration efficiency.
• Reinforced filter case frame enhances durability and ensures a secure fit within the factory airbox, reducing vibrations and potential damage.
• Designed with a low-restriction airflow path to help maximize engine breathing capabilities.
• Easy to install and replace, making maintenance straightforward and cost-effective.
• Constructed with high-quality materials to withstand the rigors of spirited driving and long-term use.
• Maintains the factory airbox design, ensuring compatibility and a seamless upgrade process.
• Enhanced filtration helps protect your engine from dirt and debris, supporting long-term reliability.

Construction & Design

The HKS Super Air Filter features a durable, reinforced plastic case that securely houses the high-performance cotton gauze media. The cotton gauze is layered and oiled to optimize airflow and filtration efficiency, allowing your engine to breathe more freely compared to the stock paper filter. The filter's design emphasizes ease of maintenance, with a washable and reusable media that can be cleaned and re-oiled, extending its service life and reducing replacement costs.

Manufactured with precision, the filter's frame is engineered to fit perfectly within the factory airbox, ensuring a tight seal that prevents unfiltered air from bypassing the filter. The overall construction prioritizes durability, heat resistance, and consistent performance, making it a reliable upgrade for daily driving or performance applications.

Installation & Fitment

The HKS Super Air Filter is designed as a direct replacement for the stock filter, requiring no modifications to your vehicle. Installation is straightforward—simply remove the factory filter from the airbox and replace it with the HKS unit. No cutting, drilling, or tuning is necessary, making it a hassle-free upgrade for enthusiasts and daily drivers alike. Regular cleaning and re-oiling of the filter will maintain optimal performance over time.

• Easy bolt-on installation with no additional modifications required.
• Designed to fit perfectly within the factory airbox of the Mazda RX-7 FC3S/FC3C 13BT models (1986–1992).

What's Included

• HKS Super Air Filter with reinforced case
• Installation instructions

Ideal For

• Mazda RX-7 owners seeking improved engine airflow and performance
• Enthusiasts looking for a reliable, reusable air filter upgrade
• Drivers wanting enhanced throttle response and engine efficiency
• Performance-minded individuals aiming to optimize their rotary engine's breathing