Clutch Masters FX725 Series Twin-Disc Clutch Kit

2004–2021 Subaru WRX STI 2.0L & 2.5L Turbo

Part #: 15017-TD7R-SHV

Overview

The Clutch Masters FX725 Series Twin-Disc Clutch Kit is engineered specifically for Subaru WRX STI models from 2004 to 2021. Designed to deliver exceptional performance, this twin-disc clutch kit is ideal for enthusiasts seeking increased horsepower and torque capacity while maintaining streetability. Whether you're a drag racer, a spirited street driver, or a performance enthusiast, the FX725 series offers a perfect balance of race-level strength and daily driving comfort.

This clutch kit features a twin-disc design that significantly improves power transfer, throttle response, and shift smoothness. Its small diameter assembly reduces rotating mass, resulting in quicker acceleration and more responsive throttle feel. The kit's robust construction ensures durability under high-stress conditions, making it suitable for high-horsepower builds and aggressive driving styles.

Key Features

The Clutch Masters FX725 Series Twin-Disc Clutch Kit incorporates advanced materials and engineering to optimize performance and longevity. Key features include:

• High-performance twin-disc design engineered to handle significant horsepower and torque increases, making it ideal for high-performance applications and racing setups.
• Small diameter assembly reduces rotating mass, which enhances throttle response and acceleration.
• Precision-machined components and high-quality friction materials ensure consistent engagement and smooth operation.
• Designed for street use with race-level strength, providing a reliable solution for daily drivers and track enthusiasts alike.
• Optimized for quick, smooth shifting, reducing clutch pedal effort and improving overall driving experience.
• Constructed with durable materials to withstand aggressive driving and high-stress conditions without sacrificing streetability.
• Compatible with stock or upgraded flywheels, offering flexibility for various build configurations.
• Includes all necessary hardware and instructions for straightforward installation.

Construction & Design

The FX725 Series twin-disc clutch kit features a meticulously engineered design that combines performance with durability. The clutch discs are constructed from high-friction materials capable of handling increased power levels, while the pressure plates are precision-machined for consistent engagement. The twin-disc configuration allows for higher torque capacity and better heat dissipation, reducing the risk of clutch fade during extended or aggressive driving.

The assembly's small diameter design minimizes rotational inertia, which translates into quicker throttle response and more precise control. The kit's components are TIG-welded and CNC-machined for exact fitment and longevity, ensuring a reliable upgrade for your Subaru WRX STI.

Installation & Fitment

The Clutch Masters FX725 Series Twin-Disc Clutch Kit is a bolt-on upgrade that requires no modifications to your vehicle's existing components. The installation process is straightforward for experienced technicians, and the kit includes all necessary hardware and detailed instructions. No cutting, drilling, or tuning is typically required, making it a convenient upgrade for those looking to enhance their Subaru WRX STI's performance.

• Designed for 2004-2021 Subaru WRX STI models with 2.0L or 2.5L turbocharged engines.
• Direct replacement for factory clutch components.
• Suitable for street, drag racing, and high-performance applications.

What's Included

• FX725 Series twin-disc clutch assembly
• Pressure plate
• Clutch discs
• Hardware and mounting components
• Installation instructions

Ideal For

• Performance enthusiasts seeking increased horsepower and torque capacity
• Drag racers and track day drivers
• Street drivers wanting a reliable, high-performance clutch upgrade
• High-horsepower Subaru WRX STI builds