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Steeda S550 Mustang 'Stop the Hop' Starter Kit (2015-2019)

SteedaTech

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Steeda S550 Mustang 'Stop the Hop' Starter Kit (2015-2019)

This is a very comprehensive kit to tie in the IRS subframe to the chassis.
It also helps reduce rear driveline vibration. This kit has been winning races for the last four years in both road racing and drag racing sanctioned events!:cheers:

Our Sales Experts take calls all the time from enthusiasts that want to eliminate wheel hop while also staying on a tight budget. This is where the Stop the Hop Starter Kit comes in. Our team of engineers got together and came up with the best 3 parts for eliminating unwanted wheel hop in the new S550 Mustang. A kit that gives you the fundamental foundation for ultimate traction and suspension compliance. As we have explained before, the factory IRS subframe, (often inaccurately referred to as a cradle), mounts to the S550 chassis with 4 mounting locations utilizing 4 soft rubber bushings with plenty of voids, even in the bolt holes. The kit we put together addresses these issues and more.

Which "Stop the Hop" Kit is for you?

First is our Alignment dowel kit. This fills the factory bolt hole voids with CNC machined delrin inserts that will square up the rear subframe to the chassis. By filling these voids we are also limiting the side to side and front to back movement of the subframe that is present under hard acceleration and braking.

Second is our tried and true IRS Subframe Bushing Support System. This 8 piece kit was a first of it's kind in the performance aftermarket and so innovative and popular we patented it's design! Made in house from billet 6061 aluminum and featuring stainless steel hardware, this kit fills all the factory voids in the IRS subframe mounting locations. It's job is to prevent up and down movements of the subframe.

The 3rd and final piece to this kit is the strongest support brace for the S550 IRS on the market!! Made in house from chrome moly steel, this brace is designed to support the factory subframe by directly tying it into the chassis at key mounting locations. Using factory mounting locations on the factory frame, this 5 point brace supports the front factory mount and the lower control arm mount as well. A simple bolt in design this brace ties the subframe to the chassis in the best possible way.

The best part about this kit, is the price. These 3 parts were the first of their kind for the S550 Mustang and nothing will prevent unwanted subframe movement or wheel hop better than this kit.
Kit Includes:

555-5754 - Steeda IRS Subframe Support Braces
555-4437 - Steeda IRS Subframe Bushing Support System
555-4438 - Steeda IRS Subframe Alignment Kit
Product Benefits:

Eliminate wheel hop while not increasing NVH
Eliminate subframe movement
Simple install
Squares subframe to the chassis
No permanent modifications
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SteedaTech

SteedaTech

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How much does it stiffen the overall ride quality?
The main objective is to eliminate rear subframe movement,therefore it has a positive impact on handling and ride quality.

Steeda Tech
 

RIBS

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Is an alignment recommended or required after changing out the parts associated with wheel hop?
 

wildcatgoal

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It's a good idea to get a toe alignment when installing the above parts. Specifically installation of the alignment pins is the reason. You don't have to IMMEDIATELY.
 

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Houston Kid

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Is an alignment recommended or required after changing out the parts associated with wheel hop?
Yes. Very much recommended.
 

Cobra Jet

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Will the IRS subframe support brace ever be available in black powder coat?
 

tj@steeda

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Will the IRS subframe support brace ever be available in black powder coat?
Yes, we can make them in black but it will be a little more for a special request ... please send me an email to [email protected] & we'll get you taken care of.

Best Regards,

TJ
 

tj@steeda

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will this kit have any effect on air suspension performance?
Effect in terms of what? Is it going to work with the air suspension & still have benefits - yes.

Let me know if I can help put you in contact with one of our build experts.

TJ
 

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flyinghunter

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Yes, we can make them in black but it will be a little more for a special request ... please send me an email to [email protected] & we'll get you taken care of.

Best Regards,

TJ
For an additional fee of course, does Steeda have the capability to offer powder coat finishes in other colors for it's suspension parts?
 

tj@steeda

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Yes, we do but it is for a nominal fee and availability.

Only available colors are white, blue, silver, and black.

It would have to be a phone order to discuss timing and availability.
 

JennyStang

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I just got the stop the hop starter kit installed and wow just wow. No fancy words just that the car should have came stock with these items. No more wheel hop and no NVH. Car drives like a dream over bumps, corners, and gas pedal slams from a stand still. Was torn between this and bmr thing but went with steeda and

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tj@steeda

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Great to hear! Very much appreciate you leaving your review & emotional feedback!

If there is anything we can help within the near future, don't hesitate to ask.

TJ
 

jimmerheck

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I just got the stop the hop starter kit installed and wow just wow. No fancy words just that the car should have came stock with these items. No more wheel hop and no NVH. Car drives like a dream over bumps, corners, and gas pedal slams from a stand still. Was torn between this and bmr thing but went with steeda and

D75B7E3A-51F3-4E56-8E80-92499B9EA062.jpeg



4A0E72DC-FF8E-48DF-9DB5-6AEC4F195DE6.jpeg
0652E8F8-F9AF-4F11-B7D1-985CF86C41B7.jpeg
just wondering if you got the car aligned afterwards and was the alignment off?
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