Looking for aftermarket parts to modify or upgrade your 2021 Subaru WRX STI with sway bars? At Tunersports.com we carry a huge selection of the top name brand performance sway bar parts and accessories for your WRX STI.
Whether you have a 2021 Subaru WRX STI in Base to Limited trim we have you covered. We have 11 sway bars available to mod your WRX STI. All parts have free shipping to the Continental US 48 States.
 IN STOCK - LOW 7717.312Eibach 22mm Rear Anti-Roll-Kit for 08-09 Subaru WRX (4&5 dr) & STi 2015-2021 Subaru WRX STI Base / Limited $255.00 |
 IN STOCK RCSTI099KITSuperPro 2015 Subaru WRX STI Launch Edition Front / Rear 26mm F/24mm R Adjustable Sway Bar Link Set 2015-2021 Subaru WRX STI Base / Limited $899.99 |
 IN STOCK RC0099FZ-26SuperPro 2015 Subaru WRX STI Launch Edition Front 26mm 2-Position Adjustable Sway Bar 2015-2021 Subaru WRX STI Base / Limited $309.99 |
 SHIPS FROM MANUFACTURER RC0013RZ-20SuperPro 2009 Subaru Forester X Premium Rear 20mm 3-Position Adjustable Sway Bar Kit 2015-2021 Subaru WRX STI Base / Limited $269.99 |
 IN STOCK RC0013RZ-22SuperPro 2009 Subaru Forester X Premium Rear 22mm 3-Position Sway Bar Kit 2018-2021 Subaru WRX STI Base / Limited $269.99 |
 IN STOCK RC0013RZ-24SuperPro 2009 Subaru Forester X Premium Rear 24mm 3-Position Sway Bar Kit 2015-2021 Subaru WRX STI Base / Limited $269.99 |
 IN STOCK - LOW TRC1005SuperPro 2015 Subaru WRX Limited Rear Sway Bar Mount Reinforcement Brace 2015-2021 Subaru WRX STI Base / Limited $83.59 |
 IN STOCK BSR49Engineered to 'Activate More Grip', sway bars 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 gr... Whiteline 08+ Subaru WRX Hatch / 08-09 Subaru STi Rear 20mm Swaybar-heavy duty 2015-2021 Subaru WRX STI Base / Limited $273.88 |
 IN STOCK BSR49XXZEngineered to 'Activate More Grip', sway bars 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 24mm 3 point adjustable sway bar = mor... Whiteline 08+ Subaru WRX Hatch / 08-09 Subaru STi Rear 24mm Swaybar-XX heavy duty Blade adjustable 2015-2021 Subaru WRX STI Base / Limited $354.88 |
 IN STOCK BSR49XZEngineered to 'Activate More Grip', sway bars 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 22mm 3 point adjustable sway bar = mor... Whiteline 08+ Subaru WRX Hatch / 08-09 Subaru STi Rear 22mm Swaybar-X heavy duty Blade adjustable (i 2015-2021 Subaru WRX STI Base / Limited $318.88 |
 IN STOCK BSR49ZEngineered to 'Activate More Grip', sway bars 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 3 point adjustable sway bar = mor... Whiteline 08+ Subaru WRX Hatch / 08-09 Subaru STi Rear 20mm Heavy Duty Adjustable Swaybar (includes 2015-2021 Subaru WRX STI Base $294.88 |