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The Perrin rear differential and subframe lockdown system fits 2002–2007 Subaru WRX/STi, 1993–2007 Impreza, and 1998–2008 Forester models to reduce differential movement and subframe flex. By providing additional mounting support, it helps stabilize the rearend under cornering and throttle load, improving drivetrain feedback and consistency while retaining factory attachment points for a direct, vehicle-specific upgrade.
PERRIN 02-07 Subaru WRX/STi / 93-07 Impreza / 98-08 Forester Rear Differential/Subframe Lockdown Sys
