Steeda 2015-2020 Ford Mustang IRS Subframe Bushing Support System

$209.95

In Stock

Add to Wishlist
Add to Wishlist

This Steeda S550 Mustang IRS Subframe Bushing Support System for your 2015-2019 Mustang GT, EcoBoost, and V6 are made from CNC machined, 6061 aluminum.

These Steeda S550 Mustang IRS Subframe Bushing Support System for your 2015-2019 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 2015-2019 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 2015-2019 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.

Note: Does NOT fit the GT350

PATENT NO.: US D784,881 S

Purchase your Steeda S550 Mustang IRS Subframe Bushing Support System for your 2015-2019 Mustang GT, EcoBoost, and V6 at Steeda Autosports today!

Also fits the S550 GT500

Product Benefits

  • 10 piece kit
  • Increases traction
  • No increase in NVH
  • Easy to install
  • No permanent modifications
  • Lifetime warranty

CA Residents: Cancer and Reproductive Harm WARNING www.p65warnings.ca.gov.

The purpose of Steeda’s Subframe Bushing Support System is to reinforce the bushings in the rear subframe. Now as we’ve talked a lot about Ford used a soft durometer bushing and a lot of points on the Mustang including the four main mounting points of the rear subframe. Now, this is one of the areas that induce wheel hop and as always we’re working on ways to take that out of the car and make it a better driving experience for you. Now the way this work is, they actually sandwich the factory bushings and reinforce them thus the name. They reinforce them by filling in some of the gaps in those soft bushings. This will help reduce the subframe from wanting to move up and down as we’ve shown in our other videos and that’s part of what induces the severe wheel hop under hard acceleration. Despite reinforcing the factory bushings these don’t add any NVH or noise vibration or harshness and the way that we can do this is, we retain the factory mounting points at the tops of each bushing. Now this is really important because the Ford engineers designed a key engineering aspect into their factory bushings and those are these kinds of teeth or knurls at the top of the bushings and these are what help keep the subframe from wanting to walk under the car on your hard acceleration, hard launches or hard cornering. So it’s important to retain those and not cap those off like some of our competitors do. We’ve constructed these out of aluminum which is lightweight, strong, and weather-resistant. They also carry our lifetime warranty and we proudly manufacture these in the USA at our Valdosta Georgia facility. If you have any questions or comments please feel free to post them below.

FITMENT & FEATURES

Manufacturer: Steeda

Manufacturer: Steeda Autosports
Made in USA: Yes

Installation Information:

Level of Difficulty: Tech Recommended
Install Time: About 1 Hour
Tools Required: Basic Shop Tools
Print Instructions: 
Install Video: https://youtu.be/5jenLS3_mP0

Vehicle Fitment:

Fits Model Year: 2015, 2016, 2017, 2018, 2019, 2020

We’ve got your back!

Function Factory Performance takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and awesome, so without hesitation give us a call at (480) 576-8606, feel free to direct message on our live chat or CLICK HERE to contact us via email.

Make sure to follow us on Instagram: @FFPerformanceAZ and Youtube.

Vehicle Year

, , , , , , , ,

Vehicle Make

Vehicle Model

Brand

Steeda

Reviews

There are no reviews yet

Be the first to review “Steeda 2015-2020 Ford Mustang IRS Subframe Bushing Support System”

Your email address will not be published. Required fields are marked *

Follow @FFPERFORMANCEAZ on instagram for daily inspiration

Factory Service

My Account

Check Order Status

Contact Us

Ordering

Returns

Route Shipping

Shipping

Warranty

Wholesale

Factory Information

About

Backorder Policy

Blog

Brands | Line Card

Careers

Cookies

Factory Crew Members

Install Guides

Privacy

Site Map

Sponsorships

Terms & Conditions of Purchase

Contact Us

Function Factory Performance - California HQ
49 Taylor Ct 
Unit #B
Thousand Oaks, CA 91360

Walk-Ins Welcomed

Monday 10:00 AM to 5:00 PM
Tuesday - Friday 9:00 AM to 5:00 PM
Pacific Standard Time

© 2025 Function Factory Performance

Stock status is updated regularly but not guaranteed. We’ll notify you of any changes during your order process. Shipping outside the 48 states (including Alaska, Hawaii, and international) is not free. Please contact sales@ffperformance.co before ordering.
 

Wait, Don't Go Yet!

Hold up—leaving so soon? Your cart’s revving up with some top-tier gear, and it looks like you might be missing out! Just to sweeten the deal, use the discount code Hohoho at checkout for an irresistible price drop. Think of it as our little nudge to help you cross the finish line. Don't let your performance parts feel abandoned—give them the garage space they deserve!

My cart