Steeda GT350/Mach 1 IRS Subframe Bushing Support System is specifically designed for the unique IRS subframe mounting points on GT350, GT350R, and Mach 1 Mustangs.
The factory subframe bushings allow movement under hard acceleration and cornering. Steeda bushing supports fill factory voids and eliminate subframe deflection without adding NVH.
Product Benefits
- Designed specifically for GT350/Mach 1 subframe
- Fills factory voids to eliminate subframe movement
- Utilizes all 4 factory mounting locations
- Completely restricts shifting and rotation
- Reduces wheel hop significantly
- Increases traction to rear wheels
- No added NVH
- Easy installation with basic hand tools
- Made in the USA
Fitment
- 2016-2020 Ford Mustang GT350/GT350R
- 2021-2023 Ford Mustang Mach 1
FREQUENTLY ASKED QUESTIONS
If it's in stock and ready to roll, your order usually hits the road within 1–3 business days.
For made-to-order or specialty items (like carbon fiber parts or custom builds), the turnaround can take up to 8 weeks — perfection takes time.
Either way, we'll keep you updated so you know exactly when your parts are leaving the pit lane.
Absolutely! Once your order ships, you'll receive an email with a tracking link so you can follow its journey from our shop to your doorstep.
If your order ships via freight, you'll get a separate email with a direct link to the carrier's tracking page — easy and stress-free.
Things happen on the road — even to boxes. If your order arrives damaged, snap a few clear photos of the box and product and send them our way right away.
If your shipment is lost, just email or call us — we'll help track it down and guide you through the next steps to make it right.
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1ST CLASS SERVICE
805-267-9762or email Support@FFPerformance.co
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