Complex sentence: The final prototype, Fw 187 V6 (D-CINY), was more heavily modified, receiving the originally specified 736 kW (1,000 PS) DB 600 engines, as well as a new surface evaporative cooling system for reduced drag.
Split into simpler sentences: The final prototype, Fw 187 V6 (D-CINY), was more heavily modified. It received the originally specified 736 kW (1,000 PS) DB 600 engines, as well as a new surface evaporative cooling system for reduced drag.