AKRAPOVIC STAINLESS STEEL OPTIONAL HEADER KAWASAKI NINJA 1000 SX 2020-2024AKRAPOVIC OPTIONAL HEADER Model: Staibless Steel Code: E K10R5 NOT Approved. The Slip On line represents the first step in the tuning of the exhaust systems. It is simple to install and replaces a standard terminal, offering the best compromise between price and performance. With the Akrapovic Slip On system we have more power, the unmistakable deep and thundering Akrapovic sound, greater torque value and less weight. Each terminal is equipped with