One of the best known names in the stainless steel brake line industry, Goodridge brake lines are designed, not only to US DOT standards, but to the extremely strict German TUV specifications. All Goodridge stainless steel brake lines must undergo a nine-point quality inspection including being tested to 3000 psi prior to release. The Goodridge four-piece stainless steel brake line kits for the Mazdaspeed3 include all the necessary fittings, brackets and hardware for a direct bolt-on installation and are backed by Goodridge's unbeatable 'Forever Guarantee'.