2007 Other Subaru Models 4 cyl Four Wheel Drive Manual 20.000 miles

I have a Subaru Impreza wrx sti 2007 and i want to know if its possible to put the transmission, motor , and everything possible into an older subaru lets say from the years 1998 until 2005 if you can support me with this answer it would really help thank you and hope to hear from you soon...