not all 99-04 are 3.27 it depend on auto/manual etc. You can look on the door jam or the rear end.
If all else fails jack up the rear mark a spot on the driveshaft then rotate the rear wheels one full turn and count the drive shaft revolutions, its the ratio.
If all else fails jack up the rear mark a spot on the driveshaft then rotate the rear wheels one full turn and count the drive shaft revolutions, its the ratio.
