Quick view Agency Power Agency Power Front Lower Subframe X Brace - 06-14 Mazda Miata MX-5 Agency Power Front Lower Subframe X Brace - 06-14 Mazda Miata MX-5 A common upgrade among tuners and track enthusiasts alike is a front strut bar. A strut bar mounts between opposing strut towers and reduces the flex that these... $180.00 Add to Cart