2015-2021 STI Drivetrain

The Torque Solution Short Shifter and Bushings Combination has been designed to be a direct replacement for your long-throw stock unit. Additionall...

Torque Solution Billet Transmission Mount for Subaru WRX 2002+ / STI 2002-2021 is made of high grade billet aluminum material, urethane bushings, a...

The PERRIN Rear Shifter Bushing removes the soft rubber bushing on the back of the shifter rod. This vital connection point joins the shifter mecha...

Upgrade your STI reverse lockout lever with a the PERRIN smooth glide reverse lockout lever.The PERRIN Performance reverse lock out lever combines ...

Add drivetrain rigidity and precision to throttle input to your Subaru with the PERRIN Differential Lockdown Kit. The PERRIN rear diff lock down lo...

Torque Solution continues to push the limits of high performance aftermarket products with our "NEW" Rear Subframe Lockdown System. This system was...

Torque Solution engine mounts you will see and feel a difference in your WRX or STi. These mounts are made out of high grade billet aluminum materi...

Torque Solution continues to push the limits of high performance aftermarket products with our "NEW" Rear Subframe Lockdown System. This system was...

Torque Solution Billet/Polyurethane bushings are much harder compared to the OEM units. By replacing them with these harder Polyurethane units you ...

Torque Solution continues to push the limits of high performance aftermarket products with our Billet Aluminum Rear Subframe Lockdown for the Subar...

All Torque Solution mounts are made of high grade billet aluminum material, urethane bushings, and stainless steel pins. This is a direct replaceme...

The PERRIN clutch line is designed to fit 2015-2021 Subaru WRX and STI models and features a stainless braided teflon hose with a protective vinyl ...

PERRIN Rear shifter bushings help eliminate any loose and sloppy feel during gear changes! Give your shifter a feeling of precision not found with ...

The pitch stop is designed to reduce front to back engine movement under acceleration and braking. In order to achieve maximum comfort, the factory...

The Torque Solution Pitch Stop Brace has been designed to reinforce the factory brackets that connect the pitch stop to the car. The OEM bracket is...

The OEM Subaru pitch stop brackets fail over time. Help prevent this failure with the PERRIN Pitch Stop Brace. DETAILS: THE PROBLEM WITH THE OEM ...

This is the Torque Solution Rear Shifter Bushing that has been designed to be a direct replacement for the factory rear shifter mount bushing. The ...

These are the Torque Solution Rear Differential Bushings. The intended purpose of these bushings is to reduce the movement of the rear differential...