Complex sentence: Copersucar-Fittipaldi had a bad year in 1975 and Wilson Fittipaldi stepped down from driving to look after the management of the team and was replaced by his brother Emerson Fittipaldi, the car had longer side pods and bigger airbox before it was banned.
Split into simpler sentences: Copersucar-Fittipaldi had a bad year in 1975 and Wilson Fittipaldi stepped down from driving to look after the management of the team and was replaced by his brother Emerson Fittipaldi. The car had longer side pods and a bigger airbox before it was banned.