SuperPro Front and Rear Performance Sway Bar Upgrade Kit | 2015-2019 Subaru STI (RCSTI099KIT)

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2015+ Subaru STI Roll Control Sway Bar Kit by SuperPro

The SuperPro Roll Control two position adjustable front sway bar is 26mm solid and the rear is a three position adjustable 24mm solid sway bar. A All this adds up to a vehicle that is a balanced upgrade by assisting tire grip and this becomes an ultimate handling package upgrade. From all our testing, this what we recommend as a good starting point:

  • Stage one is to set both bars to the hardest setting and is ideally suited to a vehicle with standard suspension, wheels and tires
  • Stage two is to set the front to the soft setting and the rear to the hardest setting and is ideally to a vehicle with lowered springs, or with larger, wider wheels and tires
  • Stage three is to set both bars to the soft setting and is ideally suited to a vehicle with fitted with a coil over kit or sports suspension pack

This SuperPro Roll Control Sway Bar Kit will make the suspension system and tires perform better, making the car more responsive while delivering more grip.


  • Eliminate sway bar link flex
  • Maintain neutral sway bar positioning
  • Maximize all positions on the adjustable Sway Bars


  • 2015-2019 SUBARU WRX STI

What's In The Box?

  • Front Sway Bar
  • Rear Sway Bar
  • Heavy Duty High Articulation Sway Bar Links
  • Mount Brace Kit


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