Fitment Information Version 1 Fitment: Subaru WRX (2015, 2016, 2017, 2018, 2019, 2020, 2021) WRX only, non STi Version 2 Fitment: Subaru WRX & STI (2015, 2016, 2017, 2018, 2019, 2020, 2021) Specs & Features Race Spec Strut Tower Bar Product Description Megan Racing Strut Tower Bars are designed to tie your strut towers together to give your car improved handling and stability by keeping your strut towers from flexing. Under the extreme load associated with turns, the chassis flexes which causes your suspension geometry to change and your handling to decrease. By adding strut tower bars, your chassis remains as stiff as possible, allowing your suspension to remain in line. Megan Racing Strut Bar Features Built from CNC Machined 6061 Billet Aluminum for strength Ultra strong 1.75" wide and .75% thick strut bar Easy to install, direct bolt on 1 Year Warranty when purchased through an authorized dealer such as Redline360