PERRIN Differential Lockdown System 2015-2021 Subaru WRX & STI / 2012-2025 Impreza / 2024-2025 Crosstrek pdm_transmission-and-differential-bushings The PERRIN turbo heat shield

The PERRIN turbo heat shield is perfect for those not wanting to cut the OEM turbo heat shield when installing our PERRIN down pipe

Front Coil Sping Tall: 7

Designed with a large diameter pressure cup

and twenty special low-profile lug nuts

Its innovative design minimizes the total number of parts

PERRIN Differential Lockdown System 2015-2021 Subaru WRX & STI / 2012-2025 Impreza / 2024-2025 Crosstrek pdm_transmission-and-differential-bushings The PERRIN turbo heat shieldEnhance your Subaru's performance with the PERRIN Rear Differential Lockdown, expertly engineered to increase drivetrain rigidity and deliver sharper, more responsive throttle control.