AKRAPOVIC TAIL PIPE SET TITANIUM FOR 2010-2014 PORSCHE CAYENNE 958** TAIL PIPE SETS MUST BE PURCHASED WITH AN EXHAUST SYSTEM OR YOU MUST PROVIDE PROOF THAT YOU HAVE THE EXHAUST. THESE WILL NOT BE SOLD BY ITSELF ** The tail pipes are the most visible part of the exhaust system, and thats why we dedicate particular attention to them at Akrapovi?. In order to satisfy the most discriminating tastes, weve created handcrafted carbon fiber tail pipes.