A strut bar is an aftermarket car suspension accessory usually used in conjunction with struts on monocoque or unibody chassis to provide extra stiffness between the strut towers. The Mazda Mazda6 Front Upper Strut Bar 03-08 strut bar is a great way to add performance increase. With this bolt on accessories the body flex is reduced, while cornering turns becomes much more predictable. Installation is quick and simple with the result you will surely be happy with.