Simplify the following text for a Grade 4 native English-speaking person.
Original: The XG was reduced in size to 3L for 2004 season and it won one race in 2005 during Chevrolet 's final season in IRL .
Simplified: The XG was reduced in size to 3L for 2004 season . It won one race in 2005 during Chevrolet 's final season in IRL .