Perrin Diff Lockdown for 2015-2022 WRX/STi (PSP-SUS-536) Tactrix this WRX cat-back exhaust mates

this WRX cat-back exhaust mates perfectly with the Mishimoto Subaru WRX Performance Downpipe

• MM062HD (Evo X Twin Cerametallic)

Rev Limit: 8000

the Mishimoto low-temperature racing thermostat will open at a lower temperature (180°F) compared to standard thermostats (203°F)

and increased airflow efficiency all in one neat package

Perrin Diff Lockdown for 2015-2022 WRX/STi (PSP-SUS-536) Tactrix this WRX cat-back exhaust matesThe 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)