XClutch 15-21 Subaru WRX STi Base 2.5L 9in Twin Solid Organic Clutch Kit

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure positive pedal feel and increased clamping force. With one of the world's most advanced clutch testing and R&D facilities, in-house vehicle testing and over 30 years of clutch experience, XClutch performance upgrades offer the highest levels of engineering and product development for your street vehicle, 4x4 or dedicated race car. The XClutch 9 inch kit is one of XClutch's most adaptable kits for performance upgrades and conversions. Offering very high torque capacity and available with organic, ceramic and carbon friction materials, the 9 inch performance clutch is used in high power street cars and race cars around the world. The twin disc organic upgrade optimizes pedal feel and reliability in high horsepower street driven vehicles. Designed specifically for high horsepower, street driven vehicles, the 9" twin disc organic is the ultimate street clutch. The twin disc organic upgrade optimizes pedal feel and reliability in high horsepower street driven vehicles.

• Friction Disc, Pressure Plate, Release Bearing, Flywheel - Pilot, Aligning Tool and Technical Service Bulletins (as required)
• Recommended for Performance Street Use
• Heavy Duty, Diaphragm Type
• Twin Disc, Solid Organic

Upgrade the clutch system in your 2015-2021 Subaru WRX STI with the XClutch XKSU23531-2G 9-inch twin disc organic clutch kit. Engineered for high-horsepower street-driven vehicles, this performance upgrade combines strong torque capacity with smooth, dependable operation. The twin solid organic friction discs are designed to optimize pedal feel, engagement characteristics, and long-term reliability without sacrificing the performance required for demanding driving conditions.
XClutch develops its performance clutch systems using advanced pressure plate designs, carefully selected friction materials, and detailed analysis of pivot points and diaphragm geometry. This approach helps deliver increased clamping force and a positive pedal feel while maintaining street-friendly drivability. The heavy-duty diaphragm-style pressure plate is suited to performance applications where consistent clutch engagement and reliable power transfer are essential.
The 9-inch platform is one of XClutch’s most adaptable clutch designs, supporting performance upgrades and conversions across a range of high-output applications. This kit is recommended for performance street use and is specifically configured for the Subaru WRX STI. It includes the essential components needed for installation, including the friction discs, pressure plate, release bearing, flywheel pilot, aligning tool, and applicable technical service bulletins. With more than 30 years of clutch development experience and extensive in-house testing, XClutch provides a carefully engineered solution for drivers seeking enhanced clutch performance and street usability.

Features:

• Vehicle Fitment: Designed for 2015-2021 Subaru WRX STI applications

• Clutch Design: 9-inch twin disc configuration for high-performance street vehicles

• Friction Material: Solid organic discs for smooth engagement, pedal feel, and reliability

• Pressure Plate: Heavy-duty diaphragm-style design with increased clamping force

• Recommended Use: Performance street driving and high-horsepower applications

• Included Components: Friction discs, pressure plate, release bearing, flywheel pilot, aligning tool, and applicable technical service bulletins

Fitment:
Subaru Impreza WRX 2004
Subaru Impreza WRX 2005
Subaru Impreza WRX STI 2004
Subaru Impreza WRX STI 2005
Subaru Impreza WRX STI 2006
Subaru Impreza WRX STI 2007
Subaru Impreza WRX STI 2008
Subaru Impreza WRX STI 2009
Subaru Impreza WRX STI 2010
Subaru Impreza WRX STI 2011
Subaru Impreza WRX STI 2012
Subaru Impreza WRX STI 2013
Subaru Impreza WRX STI 2014
Subaru Impreza WRX STI Limited 2007
Subaru Impreza WRX STI Limited 2011
Subaru Impreza WRX STI Limited 2012
Subaru Impreza WRX STI Limited 2013
Subaru Impreza WRX STI Limited 2014
Subaru Impreza WRX STI Special Edition 2010
Subaru Legacy GT spec.B 2007
Subaru Legacy GT spec.B 2008
Subaru Legacy GT spec.B 2009
Subaru WRX STI Base 2015
Subaru WRX STI Base 2016
Subaru WRX STI Base 2017
Subaru WRX STI Base 2018
Subaru WRX STI Base 2019
Subaru WRX STI Base 2020
Subaru WRX STI Base 2021
Subaru WRX STI Launch Edition 2015
Subaru WRX STI Limited 2015
Subaru WRX STI Limited 2016
Subaru WRX STI Limited 2017
Subaru WRX STI Limited 2018
Subaru WRX STI Limited 2019
Subaru WRX STI Limited 2020
Subaru WRX STI Limited 2021
Subaru WRX STI S209 2019
Subaru WRX STI Series.HyperBlue 2016
Subaru WRX STI Type RA 2018