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

This will not bind and break off in your tow hook hole like cheap aluminum kits

Includes the 33mm adjustable front bar and 20mm adjustable rear bar for the CBA R35

Includes magnetic drain plug with dowty seal

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)