LeoVince LVSO3389 GP Corsa Carbon Fiber Slip-On Muffler w/Slash Cut End Cap for Kawasaki Ninja 400 18-21/Z 400 19-21The perfect balance between looks, performance, and value: this is the LeoVince GP Corsa Matte. Inspired by competition and dedicated to 4 stroke motorcycles up to 500cc. Dark Carbon We build the GP Corsa Matte sleeve with a double layer of 2x2 twill pre preg carbon fiber, specifically developed to resist high temperatures and to make the exhaust even lighter. We chose a matte finish for the carbon fiber and a brushed finish for the inlet and outlet