ES300 — NEW FEATURES 12 5. Intake and Exhaust System Throttle Body To accommodate the 3-stage ACIS, a throttle body that provides 2 parallel throttle valves has been adopted. The intake air control valve for the 3-stage ACIS is integrated in the throttle body. Intake Air Control Valve Throttle Valves 161ES57 161ES58 Exhaust Pipe 1) General The distance to the convergence of the front exhaust pipe has been lengthened and the shape of the convergence has been optimized to improve engine output.
A ball joint has been adopted for the connection between the front exhaust pipe and the center exhaust pipe, as well as between the center exhaust pipe and the tailpipe to reduce noise and vibration. A 3-way exhaust control system has been adopted to improve engine performance and to ensure an even quieter operation. Ball Joint Tailpipe Front Exhaust Pipe Gasket Center Exhaust Pipe 161ES18 Bolt Spring 161ES19 Ball Joint