Secure the sports silencer by inserting screw (1) with washer (2) through the hole in HP Carbon bracket (3) and installing thrust washer (4) with rubber decoupling element (5) in the hole in retaining lug (6) for the sports silencer.
Working from the inside, insert rubber decoupling element (7) with thrust washer (8) into the hole in retaining lug (6) for the sports silencer and install nut (9) and tighten until hand-tight.