The Exedy Lightweight Flywheel FF501A is engineered for both high-performance driving and reliable street use. Constructed from a single piece of billet chromoly steel, this 13.3 lb flywheel delivers reduced rotational inertia, allowing for quicker engine response and improved acceleration. Its precision design enhances airflow and clutch cooling, ensuring consistent performance under demanding conditions such as drag racing, autocross, rally, or spirited daily driving.
Unlike aluminum flywheels with pressed-on ring gears, the Exedy FF501A integrates the ring gear directly into the flywheel for superior durability and long-term reliability. Rigorously tested and certified to withstand engine speeds up to 18,000 RPM, this flywheel meets SFI safety standards, making it a trusted upgrade for enthusiasts. Whether replacing a worn dual mass flywheel or upgrading for performance, the Exedy FF501A provides a proven solution for Subaru Legacy and Impreza WRX STI models.
Features:
- Lightweight design: Reduces rotational inertia for improved engine response
- Material: One-piece billet chromoly steel for durability and strength
- Weight: Approximately 13.3 pounds for optimal performance
- Integrated ring gear: Eliminates risk of separation, enhancing reliability
- Cooling features: Designed to improve airflow and clutch cooling
- High RPM tolerance: Tested and certified for up to 18,000 RPM
- Application: Fits 2004-2014 Subaru Legacy and Impreza WRX STI models
- Certification: SFI approved for safety and performance assurance
- Easy installation: Compatible with 8-bolt mounting systems
Fitment: 
2004 Subaru Impreza Outback 
2004 Subaru Impreza RS 
2004 Subaru Impreza TS 
2004 Subaru Impreza WRX STI 
2005 Subaru Impreza Outback Sport 
2005 Subaru Impreza RS 
2005 Subaru Impreza WRX STI 
2006 Subaru Impreza 2.5i 
2006 Subaru Impreza Outback Sport 
2006 Subaru Impreza WRX 
2006 Subaru Impreza WRX Limited 
2006 Subaru Impreza WRX STI 
2006 Subaru Impreza WRX TR 
2006 Subaru Legacy GT spec.B 
2007 Subaru Impreza 2.5i 
2007 Subaru Impreza Outback Sport 
2007 Subaru Impreza WRX 
2007 Subaru Impreza WRX Limited 
2007 Subaru Impreza WRX STI 
2007 Subaru Impreza WRX STI Limited 
2007 Subaru Impreza WRX TR 
2007 Subaru Legacy 2.5i 
2007 Subaru Legacy 2.5i Limited 
2007 Subaru Legacy 2.5i Special Edition 
2007 Subaru Legacy GT Limited 
2007 Subaru Legacy GT spec.B 
2008 Subaru Impreza 2.5i 
2008 Subaru Impreza Outback Sport 
2008 Subaru Impreza WRX 
2008 Subaru Impreza WRX STI 
2008 Subaru Legacy 2.5i 
2008 Subaru Legacy 2.5i Limited 
2008 Subaru Legacy 2.5i Special Edition 
2008 Subaru Legacy GT Limited 
2008 Subaru Legacy GT spec.B 
2009 Subaru Impreza 2.5 GT 
2009 Subaru Impreza 2.5i 
2009 Subaru Impreza Outback Sport 
2009 Subaru Impreza WRX 
2009 Subaru Impreza WRX Premium 
2009 Subaru Impreza WRX STI 
2009 Subaru Legacy 2.5i 
2009 Subaru Legacy 2.5i Limited 
2009 Subaru Legacy 2.5i Special Edition 
2009 Subaru Legacy GT Limited 
2009 Subaru Legacy GT spec.B 
2010 Subaru Impreza 2.5 GT 
2010 Subaru Impreza 2.5i 
2010 Subaru Impreza 2.5i Premium 
2010 Subaru Impreza Outback Sport 
2010 Subaru Impreza WRX 
2010 Subaru Impreza WRX Limited 
2010 Subaru Impreza WRX Premium 
2010 Subaru Impreza WRX STI 
2010 Subaru Impreza WRX STI Special Edition 
2011 Subaru Impreza 2.5i 
2011 Subaru Impreza 2.5i Premium 
2011 Subaru Impreza Outback Sport 
2011 Subaru Impreza WRX 
2011 Subaru Impreza WRX Limited 
2011 Subaru Impreza WRX Premium 
2011 Subaru Impreza WRX STI 
2011 Subaru Impreza WRX STI Limited 
2012 Subaru Impreza WRX 
2012 Subaru Impreza WRX Limited 
2012 Subaru Impreza WRX Premium 
2012 Subaru Impreza WRX STI 
2012 Subaru Impreza WRX STI Limited 
2013 Subaru Impreza WRX 
2013 Subaru Impreza WRX Limited 
2013 Subaru Impreza WRX Premium 
2013 Subaru Impreza WRX STI 
2013 Subaru Impreza WRX STI Limited 
2014 Subaru Impreza WRX 
2014 Subaru Impreza WRX Limited 
2014 Subaru Impreza WRX Premium 
2014 Subaru Impreza WRX STI 
2014 Subaru Impreza WRX STI Limited 
2015 Subaru WRX STI Base 
2015 Subaru WRX STI Launch Edition 
2015 Subaru WRX STI Limited 
2016 Subaru WRX STI Base 
2016 Subaru WRX STI Limited 
2016 Subaru WRX STI Series.HyperBlue 
2017 Subaru WRX STI Base 
2017 Subaru WRX STI Limited 
2018 Subaru WRX STI Base 
2018 Subaru WRX STI Limited 
2019 Subaru WRX STI Base 
2019 Subaru WRX STI Limited