Akrapovic Slip-On Race Line (Titanium) for Porsche 911 Carrera /S/4/4S/GTS/Cabriolet (992)SO Slip OnTaking design to new limits, the Slip On Race Line (Titanium) is beautifully finished with unique tailpipes to showcase a variety of surfaces, emphasizing the latest in exhaust technology and production. From the outer part, which is sandblasted and coated for increased durability and longevity, and incorporates a laser engraved Akrapovi logo, to the inner tubing, which is polished on the outside and has a black coated interior, all set