Whiteline Heavy Duty 20mm Rear Sway Bar for 2011-2021 Subaru WRX STI Limited (GR/GV)

Whiteline Heavy Duty 20mm Rear Sway Bar for 2011-2021 Subaru WRX STI Limited (GR/GV)Engineered to 'Activate More Grip', Sway Bars to your 2011 2021 Subaru WRX STI Limited (GR GV) are principally designed to reduce body roll or sway. By reducing body roll, lateral loads are spread more evenly across the tires thereby increasing cornering grip and improving outright performance. This Whiteline 20mm fixed position sway bar = more grip = better handling = outright performance it's the best dollar for dollar handling improvement you can