Billetworkz Subaru STI SI-Drive Knob Cap

Refresh your Subaru STI’s interior with the Billetworkz SI-Drive Cap – a direct replacement for your factory button cover that adds a bold, custom touch in minutes.

Crafted for STI models equipped with Subaru’s SI-Drive system, each cap is precision CNC-machined from high-quality billet aluminum and finished in a range of durable colors. Whether you want a subtle accent or a standout detail, there’s an option to match your build and style.

Elevate your cabin with a premium upgrade that combines precision, durability, and style.