Modifications Database

The Perrin Clutch Delay Valve Delete is a small but meaningful driver-feel upgrade for manual VB owners who want more natural clutch engagement and less inconsistent slipping behavior from the factory system. It is especially appealing to owners frustrated ...

The Perrin Super Shift Stop is a simple yet highly effective upgrade that improves shifter feel by tightening side-to-side (left/right) movement in the WRX’s manual transmission. The factory shift stop has built-in slop, which can make gear engagement—espec...

The STI Group N Pitch Stop Mount is an OEM performance upgrade developed by Subaru Tecnica International to reduce drivetrain movement under acceleration and shifting. Compared to the factory WRX mount, the Group N version uses stiffer rubber bushings, limi...

The AFD Shift Knob is a tactile driving-feel upgrade for manual-transmission VB owners who want a more substantial and deliberate shift experience than the stock knob provides. It is a simple but high-touchpoint mod that can noticeably change how the car fe...

From the community perspective, the COBB Shifter Bushing is one of the low-cost mods that makes the car feel more serious than it actually is. On its own it is subtle, but in combination with a shift plate or shift stop it helps remove some of the looseness...

From the community perspective, the COBB Shifter Stop is one of the most sensible feel mods in the entire VB ecosystem. It is cheap, practical, and immediately noticeable, which is exactly why it comes up so often in “first mods” conversations for manual ca...

The GrimmSpeed Engine Mount Kit is a more committed drivetrain-control upgrade for VB owners who want significantly less engine movement and more predictable shifting under load. This can be considered the point where the build is no longer is chasing just ...

The GrimmSpeed Race Pitch Stop Mount is the more aggressive counterpart to the street version and is best suited to owners who prioritize drivetrain control over comfort. In the VB community, race-spec mounts like this are generally recommended only when th...

The GrimmSpeed Street Pitch Stop Mount is one of the most common drivetrain feel upgrades on the VB because it meaningfully reduces drivetrain pitch without stepping all the way into race-level harshness. Community sentiment tends to treat the street versio...

The GrimmSpeed Street Transmission Mount is a high-value drivetrain refinement part for the VB because it cuts down drivetrain movement and sharpens shifting feel without turning the cabin into a vibration box. Community sentiment generally treats this as o...

The E-Brake Drift Button is a small driver-interface mod that changes how the handbrake behaves during enthusiast use and gives the cabin a slightly more purpose-built feel. It is not a headline mod, but it is a common small add-on for owners who enjoy tail...

The Perrin Pitch Stop Mount is a classic drivetrain-control upgrade that reduces drivetrain shudder and movement under throttle transitions, helping the car feel more direct and connected. It is a natural supporting mod for both stock and modified VB builds...

The Perrin Shifter Stop is one of the most impactful low-cost drivetrain mods for a manual VB because it removes horizontal slop from the stock shifter assembly and adds a more direct shift feel. Perrin also includes hardware that helps reduce a remaining g...