HKS Silent Hi-Power Cat-Back Exhaust System - Mazda RX-7 FC3S (1985-1991)

Name: RX-7 FC3S 85-91 HKS Silent Hi-Power Catback
Brand: HKS
SKU: 31019-AZ001
Price: 1343 EUR
Availability: InStock

The HKS Silent Hi-Power Cat-Back Exhaust System is designed for the Mazda RX-7 FC3S, offering an ideal combination of enhanced performance, efficient exhaust flow, and a deep, sporty exhaust note. Engineered to improve the breathing characteristics of the legendary rotary engine while maintaining refined sound levels, it provides excellent comfort for both daily driving and spirited performance use.

The straight-through design reduces back pressure and improves exhaust flow, allowing the engine to operate more efficiently throughout the entire RPM range. This results in improved throttle response, more efficient exhaust scavenging, and a broader, more usable powerband, delivering a more responsive and engaging driving experience.

The system incorporates HKS Silent Chamber Technology, which minimizes low-frequency cabin noise and unwanted resonance without compromising performance. The result is a deep, sporty exhaust note that remains comfortable during everyday driving while preserving the distinctive sound character of the RX-7.

Manufactured entirely from SUS304 stainless steel, the exhaust system provides outstanding corrosion resistance, excellent heat resistance, and long-lasting durability. Its polished finish enhances the vehicle's appearance, and the system is designed as a direct replacement for the factory exhaust, offering OEM-style fitment for straightforward installation.

The system is also JASMA-certified, ensuring compliance with Japanese noise regulations while delivering an ideal balance of performance, sound quality, and durability.

Features

Fits the Mazda RX-7 FC3S (1985–1991).
Complete Silent Hi-Power cat-back exhaust system.
Manufactured entirely from SUS304 stainless steel.
Straight-through design with reduced back pressure.
Improved exhaust flow.
Improved throttle response, more efficient exhaust scavenging, and a broader, more usable powerband.
HKS Silent Chamber Technology reduces cabin noise and unwanted resonance.
Deep, sporty exhaust note.
Polished finish.
JASMA-certified.
Direct replacement with OEM-style fitment.

Product video

Technical specification

Article nr:

31019-AZ001

Manufacture Partnumber:

31019-AZ001

In October 1973, two talented and young engineers had a vision; to design and build high performance engines and components that major OE manufacturers could not, or would not, produce. HKS pioneered the Japanese aftermarket industry by delivering a host of exciting new products, including the first commercially available electronic turbo timer and boost controller. Other early products included piggy-back ECUs and sophisticated fuel management tools. HKS was clearly driving performance trends for Japanese vehicles forward!

Today, HKS is one of the world's most well-known brands and the obvious choice for you who builds a JDM car. In the assortment you will find everything from chassis products to exhaust systems and turbo kits. HKS is behind some of the coolest builds and professional drivers in the world, so when you choose HKS, you choose the best.