Car :Audi S1(8X) Sportback 2.0TFSI Quattro (170kW) ø70mm 2014>> Group: Evo Line Description: Coupling to weld. Details: Connecting sleeve for the installation of 55.0443.00 on the original rear muffler or for the installation of 50.0597.80 / 50.0598.80 on the original centre muffler Street legal: ohne Zulassung/not street legal