TurboXS Pitch Stop Mount Black WRX / STI (2002-2018) Scion then these will be a

then these will be a great coil over

There is still no cutting or drilling or gluing required

NOTE: The Alta pulley is not CARB legal and not for sale or street use in CA and CARB states

The Turbosmart In-Cabin boost controller features Turbosmart's unique gated manual boost controller design

TurboXS Pitch Stop Mount Black WRX / STI (2002-2018) Scion then these will be aReduce that drivetrain "shudder" you feel during hard acceleration by installing a TurboXS Pitch Stop Mount for your Subaru WRX and STI. Pretty much any modification you do to your WRX or STI dramatically increases engine torque. And while the factory Pitch Stop Mount is perfectly fine for OEM power levels, it most certainly was NOT designed to handle the 300+ lb ft that your typical modified WRX or STI puts out. TurboXS gives you the perfect solution