Judging by Mike's avatar, most 98-00 XL's are 2.5L Lima engine powered... Check out TurboRangerForums.com. Getting 300hp to the wheels out of a 2.3L is not uncommon for not that much money. My little brother is building up a turbo 2.3L for his '01 2.5L equipped XL.
'01 XLT disguised as a '03 Fx4 Level II.