Cusco Front Sway Bar 22mm Subaru WRX STI Sedan Sedan 2002 2007 Cusco 26mm Front Sway Bar 2015 2021 Subaru WRX SubiSpeed Cusco 26mm Front Sway Bar 2015 2021 STI WRXDaily Cusco Front Sway Bar 20mm Subaru BRZ Toyota GR86 GT86. Cuscos sway bars are available for most applications on the front or rear of the vehicle. Reducing body roll during hard cornering is not the only feature that can be increased with these. Depending on the particular size and position of the sway bar, oversteer and understeer can be modified. Available in adjustable and non adjustable with varying diameter sizes, Cusco offers many different options to suit your driving needs. Painted in Cusco blue these bars are direct bolt on with all the necessary hardware for your 2015 2021 Subaru WRX. Solid 26mm 127% compare to standard (OE 24mm) With Bushings