Buy 2013 Subaru Legacy R Limited w/EyeSight SEDAN Suspension Trailing Arm. Link R TRG (Right). Acceleration, Although - OEM Subaru Part # 20250AJ00A

Arm connected between the Axle and a Forward Pivot Point.

TRAILING ARM-REAR,RIGHT Suspension Trailing Arm

Trailing Arm
Trailing arms often dont fail on their own, although their associated bushings can break or wear causing a clunk noise from the rear when your Subaru goes over bumps or changes speed rapidly—whether braking or under hard acceleration.