Rev9 R9-HS2-045 Hyper-Street II Coilover Suspension for 2015-2021 Subaru WRX STI, Mono-Tube Shock w/ 32 Click Rebound Setting, Full Length Adjustable

Rev9 R9-HS2-045 Hyper-Street II Coilover Suspension for 2015-2021 Subaru WRX STI, Mono-Tube Shock w/ 32 Click Rebound Setting, Full Length Adjustable

The Rev9 Hyper-Street II Coilovers are engineered to transform the handling of your 2015-2021 WRX STI into a weapon built for the street. These aren’t just springs and shocks; they’re a meticulously crafted performance upgrade designed to deliver the responsiveness and control you demand from your daily driver and weekend track sessions. Specifically designed for the 2015-2021 Subaru WRX STI, R9-HS2-045 kits provide a dramatic improvement in cornering stability and feedback, turning your WRX or STI into a seriously capable machine. Key Features – 32-Way Adjustable Damping: Fine-tune your suspension to perfectly match your driving style and road conditions. The 32-way adjustable damping system allows for precise control over compression and rebound, optimizing handling for everything from smooth highway cruising to aggressive cornering. – Pillow Ball Top Mounts (Front): The front top mounts feature pillow ball design, minimizing unsprung weight and dramatically improving steering response. This directly translates to quicker, more precise turn-in and enhanced responsiveness, a hallmark of the WRX and STI experience. – Optimized Spring Rates: Experience a significant improvement in handling with the front coil springs at 10 kg/mm (560 lbs/inch) and the rear coil springs at 6 kg/mm (336 lbs/inch). This carefully calibrated spring rate provides the balance of comfort and performance expected from a performance coilover system. – Single Pipe Shock Design: The single-pipe shock design minimizes flow restrictions, ensuring optimal oil flow and consistent damping performance, even under demanding driving conditions. Technical Specs The Rev9 Hyper-Street II coilovers are a comprehensive kit, meticulously engineered for the 2015-2021 Subaru WRX (VA1) and WRX STI (VA2). Each kit includes everything needed for a complete front and rear suspension upgrade. The adjustable range extends from 30-70mm, allowing you to dial in your ride height to achieve optimal aesthetics and handling. The front shocks utilize a standard mono-tube design, while the rear shocks also employ a standard mono-tube construction, maximizing durability and performance. The coil spring length is 180mm in the front and 160mm in the rear, with a coil spring ID of 62mm for both ends. These components are specifically chosen to complement the chassis of your 2015-2021 Subaru WRX or WRX STI. The mounting hardware ensures a secure and reliable installation. The kit includes coil springs, shock dampers, top mounts (pillow ball front, standard rear), and lower mounts. This system is rated as a performance/custom fitment, demanding a skilled installer for proper setup and to ensure optimal performance and longevity. Please note that this product contains "Nickel (Metallic)" which is known to cause cancer and reproductive harm. The R9-HS2-045 coilovers are a direct replacement for the factory shocks and springs, offering a significant upgrade in handling characteristics for the 2015-2021 WRX and 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