IRS Ford Mustang Subframe Bushing Support System
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STEEDAPART NUMBER: 957-555-4437

IRS Ford Mustang Subframe Bushing Support System

$21995
7 left in stock
ShippingShips on Nov 02, 2026
Lowest PriceLowest Price Guarantee

IRS Subframe Bushing Support System
  • 2015-17 Mustang

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

    The Steeda S550 Mustang IRS Subframe Bushing Support System gives the rear end a much more solid feel with no increase in NVH at all. The Steeda IRS Sub frame bushings eliminate rear sub frame 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.

Steeda Control Arms and Accessories are designed to directly replace and upgrade your weak stamped steel OE parts. These lightweight yet super strong control arms are manufactured using the best materials including; 4130 chrome moly steel alloy, aluminum and billet aluminum. They reduce un-sprung weight, eliminate wheel hop, and are twice as strong as competitors basic mild steel arms.

Features:

  • Better Handling, More Stable Cornering
  • Reduces Un-Sprung Weight
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  • Helps Eliminate Wheel Hop
  • Eliminates Side to Slide "sloppiness" in the Rear End
Part TypeSubframe Bushing
Product LineSteeda Control Arms and Accessories
BrandSTEEDA
Part CategoryPerformance Parts
Part FitmentDirect Fit
Vendor Part Number555-4437
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
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