Steeda Mustang Rear Sway Bar (2005-2014)

3 Review(s)
$27.75 (15%)
Installation of Steeda's 7/8 inch solid alloy steel rear sway bar will improve steering response, reduce understeer and improve overall handling balance.

Part Number: 555 1056
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Installation of Steeda's 7/8" solid alloy steel rear sway bar will improve steering response, reduce understeer and improve overall handling balance. This bar provides approximately 50% increase in rear roll stiffness on 2005-2010 Mustangs.

Our sway bars have machined steel billet sway bar ends, whereas others on the market have coined ends. What does this mean? Our sway bar ends are machined out of billet steel round stock, in-house, on our multi-axis CNC lathes and go through hundreds of computer simulations to ensure the ultimate in strength and performance - this provides greater resistance to bending stresses, and has three major advantages:
  1. These parts are less prone to cracking/fatigue failure on the ends themselves.
  2. It also reduces unwanted deflection in the sway bar end. Excess deflection creates unwanted geometry changes, which physically changes your sway bar stiffness to a non-ideal rate.
  3. With less unwanted deflection, our bars will 'wear out' slower - any spring will eventually become softer over time as it is cycled through its life, our bars will maintain their designed rate for longer with less unwanted deflection.

Our bar rates are developed and optimized through advanced vehicle dynamic simulation and through extensive real-world testing. We engineered these bars to control the vehicles' roll stiffness properly while still allowing you to run softer springs. This optimizes your overall grip and balance of the vehicle while still allowing you to maintain exceptional ride quality.

Note: Will NOT fit convertibles. Owners of convertibles will need to use the sway bar kit with end links, part 555 1020. V6 owners without a factory rear bar must use part 555 1061.

It's the little things that make a big difference when it comes to Steeda sway bars, learn more on our blog:

Product Benefits
  • Better handling with more stable cornering, while maintaining factory ride quality
  • Excellent bang-for-the-buck suspension piece
  • Made in USA in House by Steeda

CA Residents: Cancer and Reproductive Harm WARNING

Fitment & Features


Manufacturer: Steeda Autosports
Made in USA: Yes

Installation Information:

Level of Difficulty: Easy
Install Time: About 1 Hour
Tools Required: Basic Shop Tools

Vehicle Fitment:

Fits Model Year: 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014

Customer Reviews

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Average Customer Ratings


Wasn't the one in photo, looked like stock swaybar, just larger diameter. Seems to work fine.
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Nice sway bar
The bar pictured is not what arrived at my door. No end caps and the bar is straight all the way across. Still fits fine on my '08 Bullitt and with the Ford Performance endlinks looks a whole lot better than the dinky stock set up.
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Verified Buyer  
Great sway bar !!
Took about an hour to install. Bar is quite a bit larger than stock so I stretched out the links on a larger pipe before install. They still were hard to slide on but fit great now. Installed grease fittings on links as well. The mounts on axle side were good and had grease fittings on them. Roads have to clean up before I can give an honest feedback on sway. I liked these the best because they used the stock mounts and did not have the hooked ends like most brands.
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