HKS Super Turbo Muffler

1993–1995 Mazda RX-7 FD3S 13B-REW Turbo

Part #: 31029-AZ001

Overview

The HKS Super Turbo Muffler is a high-performance exhaust component designed specifically for the Mazda RX-7 FD3S with the 13B-REW turbocharged engine. Engineered to enhance both exhaust efficiency and sound pressure reduction, this muffler offers a perfect balance of power, sound quality, and durability. Whether you’re a street enthusiast, a spirited driver, or a performance tuner, the Super Turbo Muffler helps you achieve a refined exhaust note while supporting your vehicle’s performance upgrades.

Built with the performance enthusiast in mind, this muffler is effective on both stock and high-performance RX-7s with upgraded turbines. It is designed to deliver a unique exhaust sound that meets the JASMA standard, ensuring compliance with Japanese automotive sound regulations while providing an aggressive yet refined tone. The HKS Super Turbo Muffler is an ideal upgrade for those seeking to improve exhaust flow, reduce unwanted noise, and enhance the overall driving experience of their Mazda RX-7 FD3S.

Key Features

The HKS Super Turbo Muffler incorporates several advanced features to optimize exhaust performance and sound quality:

• Effective exhaust efficiency and sound pressure reduction, balancing power gains with noise control.
• Designed specifically for the Mazda RX-7 FD3S 13B-REW turbo engine, ensuring a perfect fit and optimal performance.
• Unique exhaust sound crafted to meet the JASMA standard, providing an aggressive yet compliant tone.
• Constructed with high-quality materials to withstand high temperatures and harsh driving conditions.
• Engineered to work effectively across a range of modifications, from stock setups to high-performance turbo upgrades.
• Optimized internal design to improve exhaust flow, supporting increased horsepower and torque.
• Manufactured by HKS, a trusted leader in performance automotive exhaust systems with a reputation for quality and innovation.

Construction & Design

The HKS Super Turbo Muffler features a robust construction utilizing high-grade materials designed for durability and performance. Its internal structure is carefully engineered to maximize exhaust flow while minimizing backpressure, which is crucial for turbocharged engines like the 13B-REW. The muffler’s unique design incorporates a specialized chamber and sound-dampening features that help achieve the desired balance between sound pressure and exhaust efficiency.

The exterior is crafted with precision welding and high-quality stainless steel, ensuring longevity and resistance to corrosion. The compact, lightweight design allows for straightforward installation and compatibility with the factory mounting points, making it an excellent upgrade for both daily drivers and track-ready builds.

Installation & Fitment

This muffler is a bolt-on replacement for the factory exhaust system on the Mazda RX-7 FD3S (93-95). No cutting, drilling, or complex modifications are required for installation. The design ensures a straightforward swap using existing mounting points, allowing you to upgrade your exhaust system quickly and easily. Proper installation may require basic hand tools, and it is recommended to follow the manufacturer’s instructions for optimal fitment and performance.

What's Included

• HKS Super Turbo Muffler
• All necessary clamps and hardware for installation
• Installation instructions

Ideal For

• Mazda RX-7 FD3S owners seeking improved exhaust efficiency and sound quality
• Performance enthusiasts upgrading their turbocharged RX-7
• Drivers looking for a durable, high-quality exhaust component that meets Japanese sound standards
• Anyone aiming to enhance their vehicle’s sound profile while supporting performance gains