Alfa Romeo 4C - ECE Valved Exhaust with Carbon Diffuser (CES3)

This Conversion Kit includes a Capristo valved exhaust system, a full carbon rear diffusor, a full carbon cover frame, Three Laser-Cut and Polished Stainless Decorative Covers/Mounting Parts, and the Programmable CES-3 Control Module.\n\nThe complete CAPRISTO 4C Exhaust System & Carbon Package is intended to be a balanced increase between power, drive ability and sound quality, without forgetting of course a substantial loss of weight via the included Carbon Fiber Rear Diffuser and Full Cover Frame. The iconic CAPRISTO Valved Exhaust System offers the best of both worlds through its capability to produce an aggressive exhaust note under acceleration, and a more subdued sound for city driving.\n\nThis feature is possible using vacuum-actuated valve flaps that open and close depending on driving conditions and input from the driver. At lower engine speeds and during cruise operation the valves are closed and produce a deeper exhaust note. At wide-open throttle, the valves open releas