Cusco 6A1 540 A Type-OS Strut Bar Front for 2015-2021 Subaru WRX STI

Cusco 6A1 540 A Type-OS Strut Bar Front for 2015-2021 Subaru WRX STI

The 2015-2021 Subaru WRX STI’s inherent chassis flex can dramatically impact handling, particularly during aggressive cornering. The Cusco 6A1 540 A Front Strut Tower Bar is engineered to decisively combat this, delivering a noticeably more responsive and predictable driving experience for your 2015 WRX STI. This isn’t simply a bolt-on; it’s a precision-crafted component designed to dramatically reduce unwanted movement and enhance the overall rigidity of the VA-chassis. Key Features – Enhanced Chassis Stiffness: The 6A1 540 A utilizes a meticulously designed, 38.20-inch strut tower bar constructed from high-strength steel to significantly reduce flex in the front end of your 2015 Subaru WRX STI. – Improved Steering Response: By minimizing chassis deflection, this Cusco bar translates steering inputs more directly, leading to quicker, more precise steering response – a critical upgrade for any enthusiast seeking to maximize the performance of their 2015 WRX STI. – Direct Connection: The bar’s design creates a direct connection between the front wheel hubs and the chassis, improving the overall handling balance and feel of your vehicle. – Japanese Precision: Manufactured in Japan, this 6A1 540 A exemplifies Cusco’s commitment to quality and engineering excellence, ensuring durability and reliability for demanding driving conditions. Technical Specs The Cusco 6A1 540 A strut tower bar is specifically designed for the 2015 Subaru WRX STI (VA chassis). It’s a direct replacement for the factory components, utilizing the correct 6A1 540 A part number. This bar’s construction focuses on minimizing weight while maximizing strength – a crucial balance for performance applications. The bar's dimensions – 38.20 inches in length – are precisely tailored to fit the strut tower geometry of the 2015 WRX STI, ensuring a secure and effective mounting. The bar’s robust steel construction is critical for resisting the forces experienced during spirited driving, contributing to improved handling and control. This is a crucial upgrade for drivers seeking to refine the driving dynamics of their 2015 WRX STI, transforming its inherent characteristics into a more controlled and engaging experience. It’s a targeted solution, built for the demands of performance driving on the 2015 Subaru WRX STI.


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Vehicle Fitment

  • 2008 Subaru WRX STI
  • 2009 Subaru WRX STI
  • 2010 Subaru WRX STI
  • 2011 Subaru WRX STI
  • 2012 Subaru WRX STI
  • 2013 Subaru WRX STI
  • 2014 Subaru WRX STI
  • 2015 Subaru WRX STI
  • 2016 Subaru WRX STI
  • 2017 Subaru WRX STI
  • 2018 Subaru WRX STI
  • 2019 Subaru WRX STI
  • 2020 Subaru WRX STI
  • 2021 Subaru WRX STI