ABT rear muffler 4 end-pipes, round, Ø 84mm, stainless steel design Abt rear muffler systems are made of high-quality stainless steel. Assembly takes place at the original mounting points. The sound of the car becomes sportier and a little louder but according to statutory provisions. On the chromed end-pipes (with a diameter of 84mm each), the ABT logo is embossed. The rear muffler is only to be installed in combination with the ABT rear skirt inset or ABT exhaust shafts. ABT rear muffler Ordernumber: 4F0200102 ABT rear muffler Ordernumber: 4F0200103 ABT rear muffler Ordernumber: 4F0200104 stainless-steel edition, engraved ABT logo, chrome and rolled 2x round double end pipes, Ø 84 mm suitable for Limousine, Avant 4.2l quattro