Polyamide molding material, production method and molded articles prepared from the polyamide molding material, and their use as conduits for such motor vehicles parts, which are in contact with the exhaust gases

Polyamide molding composition comprises: (a) 45-97.9 wt.% a copolyamide, comprising (a1) at least one diamine comprising 1,6-hexane diamine, nonanediamine, and 1,10-decanediamine, (a2) terephthalic acid, and (a3) at least one additional polyamide-forming monomer comprising dicarboxylic acid having 8-18C, lactam having 6-12C, and/or amino acid having 6-12C carbon atoms; (b) 2-10 wt.% of at least one impact modifier; (c) 0.1-10 wt.% at least one viscosity modifier; and (d) 0-35 wt.% additives and/or additional substance. The total amount of the components (a)-(d) is 100 wt.%. An independent claim is also included for producing moldings, preferably pipes and tubes made of polyamide molding composition, comprising extrusion blow-molding the polyamide molding composition.