GrimmSpeed Short Throw Shifter - 2004–2021 Subaru 6-Speed STI

The GrimmSpeed STI Short Throw Shifter isn’t just another shifter; it’s a complete redesign of the way your gear changes feel, respond, and perform. Engineered from the ground up, this is a true bolt-in solution for 2004–2021 STI owners who want sharper feedback and tighter engagement without sacrificing comfort or OEM fitment. It shortens throw. It sharpens feel. And it does it all with OEM reverse lockout compatibility and no need for console trimming.

We didn’t just want less throw; we wanted the right feel. So we engineered this unit to bring crisp, confident action to every shift. Throw reduction is adjustable from 0% to 26.3%, and the shift knob height can be dialed in from +0.3” to -1.0” vs stock, depending on preference. But what really makes this special is what’s inside: we’re the only brand offering a true drop-in STI short throw shifter with sealed ball bearings. And not just any bearings; we chose Enduro MAX bearings, designed to handle heavy pivoting loads with maximum strength and precision. These deliver 35–40% more load capacity than traditional radial bearings and featuring full-contact, double-lip labyrinth seals to keep out grit and grime.

This isn’t a chopped-down stock lever or recycled design. We started with a full 3D scan of the STI’s factory shifter and linkage, modeled everything in CAD, and tested multiple designs to ensure exact fitment, optimal travel, and a refined shift feel. We carefully balanced geometry to keep the neutral knob position close to OEM—even with shorter throw settings. Laser-etched reference marks let you adjust both throw and knob height with precision. It bolts in cleanly. No console trimming. No weird angles. Just a better shift, by design.

Quick Specs

• Throw Reduction: Adjustable from 0% to 26.3%

• Knob Height: Adjustable from +0.3” to -1.0” from stock

• Materials:

  • Center: CNC 6061-T6 Billet Aluminum, Black Anodized

  • Upper Shaft: CNC A513-T5 DOM Steel, Zinc-Plated

  • Lower Ball: CNC 1045 Steel, Zinc-Plated
    

  • Center Bearing Shaft: 303 Stainless Steel

• Bearings: Enduro MAX sealed ball bearings w/ snap rings

• Thread: Accepts all M12x1.25 shift knobs

• Install: Direct bolt-on, no trimming required

• Reverse Lockout: OEM cable retained

• Hardware: Stainless M5 x 0.8 cap screws included

Fitment

• 2004–2021 Subaru STI (6 Speed)

Final Notes

*At the most aggressive throw setting, minor rubbing may occur between the shift linkage and the rubber gasket in 1st and 3rd gears. One of the laser-etched marks will show the max-recommended setting before interference occurs. Trimming the gasket is possible but not recommended.