Fitment

LEGACY 18-19 2.5L, Sedan (3.90 ratio)
LEGACY 20-22 2.5L, Wagon (Outback, 3.90 ratio)
XV CROSSTREK 18 rear axle, AT (CVT, 3.90 ratio)
XV CROSSTREK 19-20 (rear axle), gasoline, AT (CVT, 3.90 ratio)
XV CROSSTREK 21-22 (rear axle), gasoline, AT, 2.0L (CVT, 3.90 ratio)