Akrapovic Evolution Link Pipe Set (SS) for Mercedes A35 / CLA 35 AMGOP Optional partEvolution Link Pipe Set (SS) was tested and developed together with the Slip On Line (Titanium) system. Offering an ideal upgrade to further the tuning potential of the car, the link pipe set is primarily designed for track use and will release the sporty sound that the engine has to offer. With the elimination of the OPF, the sound levels are increased and the frequency content is improved, providing increased sound, leading to an