Upgrade your braking performance and pedal feel with the StopTech Stainless Steel Braided Brake Line Kit (950.45504). Unlike factory rubber hoses, these Teflon-inner lines do not expand under pressure, providing a quicker, firmer, and more consistent pedal response. The kit is specifically designed for the rear axle of Mazda 6 models and features a protective clear PVC cover for maximum abrasion resistance. Each kit is pressure tested to 4000 psi and is D.O.T. compliant. Kit includes: - 950.45504-L: Left Rear Stainless Steel Brake Line (1 pc) - 950.45504-R: Right Rear Stainless Steel Brake Line (1 pc) - Installation Hardware: Washers and clips required for mounting.