Complex sentence: Customers were disappointed that Ferrari stuck with this layout unlike with the race cars, and the Daytona was replaced by the mid-engined 365 GT4 Berlinetta Boxer in 1973.
Split into simpler sentences: Customers were disappointed that Ferrari stuck with this layout unlike with the race cars. The Daytona was replaced by the mid-engined 365 GT4 Berlinetta Boxer in 1973.