Billetworkz Engine Bay Caps Subaru STI 2015-2021
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Tired of a boring engine bay? Upgrade instantly with Billetworkz Engine Bay Caps.
The Problem: Crusty, faded factory caps are ruining your engine bay's look.
The Solution: Upgrade to a Billetworkz Engine Bay Cap Set!
These are direct factory replacements—CNC machined from 6061 aluminum and finished with a durable, vibrant anodized finish, or powder coated depending on the color. They offer a flawless fit and a clean, custom aesthetic that truly sets your Subaru apart.
Ready to trash the plastic and install a premium billet upgrade? Do it today!
2015+ STI Includes:
- Oil Cap
- Wiper Fluid Cap
- Coolant Overflow Cap
- Brake Fluid Cap
- Power Steering Fluid Cap
Billetworkz has earned its reputation as a leading manufacturer of premium automotive accessories through more than a decade of innovation and quality craftsmanship. From our foundational shift knobs to today's full product ecosystem, we continue expanding our in-house capabilities to deliver the precision-engineered components that automotive enthusiasts, like you, expect.