vance/hines short shots

Discussion in 'Engine, Fuel and Exhaust' started by leggz, Aug 3, 2009.

  1. leggz

    leggz Member

    on my second set of black heat shields,after hours of use, lines or if you would rings,developed on my lower pipe,you could even feel them,dealer replaced them no prob,but does anybody know the cause.third set now on the way.