G3 aluminium bars to fit opel vectra c estate with raised roof rails 2003 2008 g3 quick fit aluminium aero bars to fit opel vectra c estate 2003 onwards the g3 quick fit aero bars can be securely fitted and locked to your car in matter of minutes they are supplied completely pre assembled ready to use and no tools are required to fit them designed in italy the g3 quick fit aero roof bars have a beautiful satin aluminium finish and a sleek aerodynamic design which helps to minimise wind