Steeda Mustang Ultimate IRS 'Stop the Hop' Package (15-17 All)

Steeda Mustang Ultimate IRS 'Stop the Hop' Package (15-17 All)

$764.96
$999.95
$234.99(24%)

555 2129

Give your 2015-2017 Mustang the proven performance of Steeda manufactured suspension parts. This Steeda Mustang Ultimate IRS 'Stop the Hop' Package for your 2015-2017 Mustang GT, EcoBoost, or V6 is designed to provide increased traction, stiffen the IRS subframe, reduce wheel hop, and improve overall handling characteristics.

Our IRS 'Stop the Hop' Package addresses wheel hop issues notorious with the new 2015 Mustang. The Steeda IRS Subframe Bushing Support System helps with rear subframe deflection which is a direct cause of wheel hop. These bushing supports stiffen the rear subframe allowing the car to increase traction to the rear wheels. In conjunction with the bushing we also include our IRS Subframe Alignment Kit, which ensures your subframe is directly aligned to your chassis, and results in straight launches off the line.

Our Steeda Vertical Links are far superior to the stock vertical links on your S550 Mustang. They feature billet steel bushing sleeves and spacers, providing less deflection than the rubber bushings in the stock links, without increasing NVH. The strength of the billet that the Steeda Vertical Links are made of will provide a more solid feel to your suspension and will not flex under load.

Our Steeda Mustang IRS Subframe Support Braces tie this Steeda Stage 3 Handling package together. These quality 4120 chrome moly steel braces are engineered to connect 3 very important points on the S550 chassis. The result of this solid connection is added rigidity that lacks in the rear of the 2015-2017 Mustang. By stiffening the connections of the rear of the chassis, this one component is able to limit IRS subframe movement, reduce wheel hop, and improve handling during cornering.

Our Steeda Adjustable Rear Toe Links improve the handling characteristics and improve your vehicle's overall handling response. These toe links have a large range of adjustability and adjustments can be made while they're installed on the car.

Package Includes

  • 555-4437 - 2015 Steeda Mustang IRS Subframe Bushing Support System
  • 555-4438 - 2015 Steeda Mustang IRS Subframe Alignment Kit
  • 555-4121 - 2015 Steeda Mustang Billet Aluminum Vertical Links
  • 555-5754 - 2015 Steeda Mustang IRS Subframe Support Braces
  • 555-4120 - 2015 Steeda Mustang Adjustable Rear Toe Links

Product Benefits

  • Improves vehicle handling
  • On-car toe adjustability
  • Improves suspension compliance
  • Increases traction
  • Aligns subframe to chassis
  • Limits IRS sub frame movement
  • Reduces wheel hop
  • No added NVH

Purchase your Steeda Mustang Ultimate IRS 'Stop the Hop' Package for your 2015-2017 Mustang GT, EcoBoost, or V6 at Steeda Autosports today!

I now have ZERO wheel hop!
I forgot to update this after installing the Steeda springs and wheel hop kit, I've had them on for a couple weeks now. I'm loving the look with the springs, and there is definitely a noticeable difference in handling. Ride quality suffers a little, but it's not terrible. The wheel hop kit (IRS subframe bushing support system) does exactly what it's advertised to do, I now have ZERO wheel hop!
Did you find this helpful?  1 of 1 Found Helpful
Reviewed by:  from Texas. on 2/7/2017
5/5
All in all I am very impress and would highly recommend this product to any mustang owner
I have been unhappy with my suspension on my 2015 Gt pp since adding additional Hp with my Tvs supercharger and my wife was not filling warm and fuzzy when riding in my car any more.She was complaining about the back end not feeling stable and to much body roll.So I did lots of research over last two months and decided to go with steeda product. Stop the hop wheel package Front and rear steeda sway bars Billet sway bar mounts Differential bushing (Black) I all ready installed ford 1in drop racing spring but would like to upgrade to some steeda spring,Shocks,struts when they all become available.So after having my local performance shop install everything 8 hours install and driving it for a few days around town,freeway and through some good turns.Me and my wife are so impressed the back end is solid planted to the ground. It just feels so much more stable and body roll wheel hop and car squat is gone.I have not notice any additional NVH and that was a concern being I have a one piece aluminum driveshaft.All in all I am very impress and would highly recommend this product to any mustang owner.I work with Chad he was very helpful on getting me all dialed in.
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Reviewed by:  from California. on 7/9/2016
5/5
Was well worth the investment
Mine feels very planted, no hop or "stepping out" when I give it the beans to pass (or just be a road hooligan - LOL). Was well worth the investment IMO.
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Reviewed by:  from California. on 4/18/2016
5/5
time to give props to Steeda
My car would not hook up at all. Basically if you gunned it in 1-3 you were burning rubber. The two kits I ordered were "Stop the Hop" and "Differential Bushing Insert System". I opted for the metal bushing. I was worried about too much noise but it seems fine to me. Basically if you have loud exhaust I do know if you can even tell the difference. If anything the car sounds more connected to the transmission if that makes sense. It hooks up at least 70% better now and that's conservative. For those that are wondering about alignment, I had the car aligned at it's zeroed out perfect. Anyway it will still burn tires but it is night and day trying to manage. With this I do not have the feeling the car is going to do a 180 at any given time.
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Reviewed by:  from Pennsylvania. on 1/27/2016
5/5
Launch the car and you can notice a difference in deflection
Steeda IRS bushing inserts: Install is very easy and you don't notice any difference in ride comfort or noise. However, while I did these the same time as Eibach Sportlines, they stand out on their own. Launch the car and you can notice a difference in deflection. IRS subframe connectors: Obviously no noticeable NVH changes, but the car does feel better when you gas it hard out of a corner. I'm looking forward to testing this beefed rear at the track soon.
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Reviewed by:  from South Carolina. on 1/8/2016
5/5
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