FFP · AUTHORIZED DEALER
The leader in Ford performance · Over 35 years · MAP pricing
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AUTHORIZED DEALER
2015-2026 Ford Mustang – Steeda IRS Subframe Bushing Support System
- Engineered and manufactured in Valdosta, Georgia
- CNC-machined billet construction where applicable
- Tested on Steeda's SCCA Majors race program
- Steeda authorized dealer — exact MAP pricing
Limited Lifetime Warranty
Backed by Steeda — FFP is an authorized Steeda dealer and warranty claims are honored direct.
Authorized Steeda Autosports dealer. MAP pricing — the same price as steeda.com. Expert install available at our Thousand Oaks, CA shop. Questions on fitment or setup? Chat with Senna or call our specialists.
The full breakdown.
Overview
This Steeda S550/S650 Mustang IRS Subframe Bushing Support System for your 2015+ Mustang GT, EcoBoost, and V6 are made from CNC machined, 6061 aluminum.
These Steeda Mustang IRS Subframe Bushing Support System for your 2015+ Mustang GT, EcoBoost, and V6 gives the rear end a much more solid feel with no increase in NVH at all. The Steeda IRS Subframe bushings eliminate rear subframe movement notorious in the 2015+ Mustang GT, EcoBoost, and V6. A stiffened subframe allows the car to increase traction to the rear wheels and is the first step towards eliminating wheel hop.
The Steeda S550 Mustang IRS Subframe Bushing Support System for your 2015+ Mustang GT, EcoBoost, and V6 are easy to install, with basic hand tools. The Steeda IRS bushing kit also does not require any permanent modifications to the car.
On the Car
Key Benefits
Specifications
Video
Fitment
2015-2026 Ford Mustang GT500/Dark Horse/Bullitt/GT/EcoBoost.
Note: Does NOT fit the GT350 or Mach 1, but will fit the GT500. If you’re looking to purchase this kit for your GT350 or Mach 1, then check out 555-4449 .
Steeda has been engineering and manufacturing Ford performance parts in-house in Valdosta, Georgia for over 35 years — proven on their own SCCA Majors race team and trusted by enthusiasts who live and breathe Ford. CNC-machined billet construction, proprietary CAD-driven suspension geometry, and a relentless focus on the platforms they specialize in.
QS-9000 & ISO 9001 manufacturing · Limited lifetime warranty on Steeda-manufactured parts · Made in the USA
FFP fits Steeda parts every week in Thousand Oaks.
— Why we stock Steeda
OE-style engineering, in-house manufacturing, race-proven on Steeda's own SCCA program.
Steeda has been engineering Mustang — and now Explorer, Focus, F-150, and Maverick — parts in Valdosta, Georgia since 1988. CNC-machined billet, proprietary CAD-driven suspension geometry, and a factory SCCA Majors road-racing team that runs their own parts on the track every weekend. When you bolt a Steeda part onto your car, it's the same part Steeda's own race cars run.
We carry Steeda because the fitment is right the first time, the warranty is real (lifetime on Steeda-manufactured parts), and the install instructions don't leave you guessing. Drop the car at our Thousand Oaks shop and our techs handle the fit-up — or order with confidence and run it yourself.
Authority: Charles Siritho · McLaren Artura Trophy owner · Spotter for Branden Sorensen FD Pro (E46 LS+Whipple, 6th at Long Beach R1 2026) · 10+ yrs Mustang & Corvette specialist
Other Steeda parts for your build.
2015-2023 Ford Mustang – Steeda 6-Speed Black Shift Knob
2015-2026 Ford Mustang – Steeda 'Stop the Hop' Street Starter Kit
2015-2026 Ford Mustang – Steeda Coupe Full-Length Jacking Rails
2015-2023 Ford Mustang – Steeda 6-Speed White Shift Knob
2015-2023 Ford Mustang EcoBoost – Steeda 2.3L ProFlow Cold Air Intake
Shop the full Steeda catalog at FFP.
The leader in Ford performance — suspension, intakes, exhaust, brakes, wheels, and more — for Mustang, Bronco, Bronco Sport, Explorer, F-150, and Maverick. Enthusiast-driven, race-tested. MAP pricing always. Expert installation in Thousand Oaks, CA.
