Perrin Diff Lockdown for 2015-2022 WRX/STi (PSP-SUS-536) GT-Series • Indestructible 12L14 CNC Laser

• Indestructible 12L14 CNC Laser cut construction and black powder coating

• STM 6-Bolt DSM Standard Engine Oil Cooler Kit

-Includes silicone bypass valve hoses and reinforced hose for charge-pipe to intercooler

(1) STM Flange

Previous PN was MR141210

Perrin Diff Lockdown for 2015-2022 WRX/STi (PSP-SUS-536) GT-Series • Indestructible 12L14 CNC LaserThe Perrin differential lockdown kit for 2015 2022 WRX and STi models adds drivetrain rigidity and precision to throttle input by reducing movement from the rear diff. Under tough driving conditions, the drivetrain and differential will twist, causing a "squishy" or "spongy" feel. This kit will reduce that movement for a better driving experience. Vehicle Fitment: 2015 2023 Subaru WRX 2015 2021 Subaru STi Installation Guide PDF Purchase Includes: (2)