REAR BRAKE LINES Vauxhall Zafira MK1 2.0 Turbo GSi Rear Discs (2001-2004) You will need to replace the hardpipe (NOT INCLUDED) That goes between these flexible pipes. Each HEL Performance brake line kit is assembled in-house from the finest quality stainless steel fittings swaged directly to hard drawn tensile stainless steel braided hose.