HKS Dual Hi-Power Titanium Tip Catback Exhaust

2020–2024 Toyota GR Supra A90 B58 (w/o OPF)

31014-KT001

Overview:

The HKS Dual Hi-Power Titanium Tip Catback Exhaust is engineered specifically for the Toyota GR Supra A90 equipped with the B58 engine without an OPF (Otto Particulate Filter). Designed to enhance both performance and sound, this exhaust system is ideal for enthusiasts seeking a significant power upgrade while retaining the factory valve operation. It supports future modifications and upgrades, making it a versatile choice for drivers who want to maximize their Supra’s potential without compromising on drivability or OEM functionality.

With its distinct and refined exhaust note, the system delivers an engaging auditory experience that complements the Supra’s sporty character. The use of the stock actuator ensures seamless integration with the vehicle’s existing valve control, preserving the original exhaust valve functionality.

Key Features:

This exhaust system combines advanced engineering with practical features to deliver a superior upgrade for your Toyota GR Supra:

• Increased piping diameter throughout the system to support future performance upgrades
• Maintains full functionality of the factory valve operation using the OEM actuator
• Distinct and pleasant exhaust note tuned for an enhanced driving experience
• Dyno-tested to provide over 30 horsepower gains, verified by HKS and external facilities
• High-quality S304 stainless steel construction for durability and corrosion resistance
• Dual muffler design optimized for balanced exhaust flow and sound
• 120mm diameter titanium exhaust tips for a premium, lightweight finish
• 85mm to 70mm piping diameter ensuring efficient exhaust gas flow
• Sound level rated at 90db at close range, delivering an aggressive yet refined tone

Construction & Design:

Manufactured in Japan, the HKS Dual Hi-Power Exhaust features premium S304 stainless steel piping and titanium tips that combine strength, corrosion resistance, and lightweight properties. The system’s design focuses on optimizing exhaust flow with increased piping diameters, which reduces backpressure and enhances engine efficiency. The dual muffler layout is carefully engineered to balance sound and performance, while the titanium tips provide a distinctive look and resist discoloration from heat.

The system integrates the OEM actuator to maintain the factory valve operation, ensuring that the exhaust valves open and close as intended for optimal sound and performance under different driving conditions.

Performance & Sound

On the dyno, this exhaust system has demonstrated the ability to increase horsepower by more than 30 hp, a substantial gain that enhances acceleration and overall engine responsiveness. The exhaust note is tuned to be both distinct and satisfying, offering a sporty yet refined sound that elevates the driving experience without becoming intrusive. The factory valve operation retention allows for variable sound levels depending on throttle input and driving mode.

Installation & Fitment:

The HKS Dual Hi-Power Titanium Tip Catback Exhaust is designed for direct fitment on the Toyota GR Supra A90 models from 2020 through 2024 equipped with the B58 engine without OPF. Installation requires the use of the stock actuator and control system to maintain valve functionality. The system bolts directly onto the factory exhaust mounting points, making installation straightforward for professional installers or experienced enthusiasts. No major modifications are necessary, preserving the vehicle’s original exhaust routing and fitment.

What's Included:

• Dual muffler catback exhaust system with increased diameter piping
• 120mm diameter titanium exhaust tips (dual)
• All necessary mounting hardware for installation
• Instructions for installation and use of the OEM actuator

Ideal For:

This exhaust system is perfect for Toyota GR Supra owners who want to unlock additional horsepower and enjoy a more aggressive exhaust sound without sacrificing the convenience of factory valve control. It suits enthusiasts planning future performance upgrades, track day drivers, and those seeking a high-quality, durable exhaust system that enhances both aesthetics and performance.