Performance parts
Purpose-built upgrades for cars worth keeping.
Platform-focused components for the Focus ST, Fiesta ST and B5 Audi A4 communities—designed from hands-on development, not a catalog spreadsheet.
Browse the catalogWhite Mountains, New Hampshire
Race-quality work. Built different.
Kestrel Performance builds precision parts and track-ready solutions for drivers who expect more from every mile, lap, and late night in the shop.
Designed for real platforms Built around the Northeast scene
The Kestrel standard
Fabrication thinking, product-level precision.
Starting with the right promises
No inflated claims. Just a higher bar.
Clear fitment
Products are developed around the platforms they are made for—not vague universals.
Honest communication
If a part, timeline, or project is not the right fit, we will say so plainly.
Built in public
The work, testing, and shop progress are part of the story—not hidden behind a storefront.
One standard, three ways forward
From the workbench to the next apex.
Kestrel Performance is built around a simple flywheel: make better components, put them through real use, and share what we learn with the people building alongside us.
Precision mindset
Race-shop thinking in every detail.
A fabrication and machining foundation means the difference between close enough and correctly made matters here.
Racing & content
Follow the build beyond the checkout.
Shop projects, track days, techniques, and the cars behind the next part are all part of the Kestrel story.
Current hardware
Parts for the next chapter of your build.
Run with the build
Build the car you keep thinking about.
Explore the current catalog, follow the projects, and see what Kestrel Performance is building next in the White Mountains.