Billetworkz Custom SI-Drive Knob Cap - Fits 6-Speed Subaru STI

Transform your Subaru STI’s interior with the Billetworkz Custom SI-Drive Cap – a direct replacement for your factory button cover that combines premium quality with a look that’s uniquely yours.

Designed for STI models equipped with Subaru’s SI-Drive system, each cap is precision CNC-machined from billet aluminum and finished in durable coatings built to last.

What makes this version special? You can choose a Primary color and add a contrasting Splash color to create a bold accent that perfectly matches your build.

• Direct replacement for OEM SI-Drive button cap
• Precision CNC-machined from billet aluminum
• Durable finish available in multiple colors
• Installs easily – no special tools required
• Compatible with Subaru STI models equipped with SI-Drive
  

Add a one-of-a-kind detail to your cabin and make your interior stand out with a custom accent built just for you.

Production Time & Policies:

• Custom products are made to order and typically ship within 1–2 weeks, depending on inventory and complexity.
• All custom products sales are final — no returns or exchanges.
• Images shown are for reference only. Final design depends on your selections.