Akrapovic Link Pipe Set w Cat (Titanium) Porsche 911 Turbo/Turbo S (991)Akrapovic Link Pipe Set w Cat (Titanium) Porsche 911 Turbo Turbo S (991) Made from titanium and designed to create a better and smoother exhaust flow, the Akrapovi Link Pipes with 100 cpsi high flow catalysts are the next step in the tuning process and can be easily installed with the Slip On Line system. Giving further weight savings over stockwhen used in conjunction with the Slip Onthe combination of this pairing highlights the exceptional