MM News

MM supports NASA road racers! MM offers contingency prizes for American Iron, American Iron Extreme, Spec Iron, and the Camaro-Mustang Challenge at both 2017 NASA Championship events, Western and Eastern. Read the details and register now.

Canadians! Please read the latest about ordering from Canada/shipping to Canada.

Turnology drives their S550 after they installed the latest MM Starter Box. Read about the Starter Box and their test drive report.

/DRIVE just released a new video of MM's Mustang in their Tuner car Shootout. We've just posted the parts list and link to the video.

New! MM now offers an adjustable front swaybar for SN95 Mustangs. Currently in stock and ready to ship.

New! MM Starter Box for S550 Mustangs. Includes Koni dampers, MM Caster Camber Plates, choice of Eibach or H&R springs, and Eibach swaybars.

Koni Strut & Shock Package, 2015+ Mustang (Single Adjustable)
Actual product may differ from photo.
  • Koni Strut & Shock Package, 2015+ Mustang (Single Adjustable)

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$744.72

  • Item # KONI-15
  • Manufacturer: Koni
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Set of 4 (2 struts and 2 shocks) Koni Sport Single-Adjustable dampers for 2015 and newer Mustangs.

Adjustable Koni Sport series dampers are tuned to bring the S550 Mustang's suspension to a higher level of performance. External rebound adjustment allows optimizing the damping for stock OEM springs as well as for aftermarket lowering and performance springs.

  • Improves handling by providing better damping control
  • Wide adjustment range of the Koni Sport series matches well with both stock springs and aftermarket performance springs.
  • Replacement for stock struts and shocks; requires minor modification to OEM rear upper shock mounting bracket.
  • Rebound valving is easily adjusted by rotating a knob at the top of the strut or shock.
  • Twin-tube design
  • Gas pressurized to resist oil foaming
  • Limited lifetime warranty from Koni

Does NOT fit GT350 or GT350R.

Installation note
The Koni rear shock requires enlarging the hole in the stock aluminum upper shock mounting bracket. The hole must be drilled out to accommodate the larger diameter shaft of the Koni shock. The Koni shaft is larger than the stock shaft to provide room for the adjuster mechanism. MM has instructions for drilling.

International Orders
We sell and ship Koni products only to customers within the United States and Canada, as per our Koni distributorship contract. If you are not in the US or Canada, please order from a Koni distributor located within your country.

Fits
2015+ Mustang S550, hardtop and convertible

  • V8 GT
  • Ecoboost
  • V6

Does NOT fit

  • GT350
  • GT350R

Required
The Koni rear shock requires enlarging the hole in the stock aluminum upper shock mounting bracket to accommodate the larger diameter shaft of the Koni shock. MM has instructions for drilling.

How do I adjust Koni dampers?

Where do I want to set the adjustment?
It requires some experimentation to optimize the settings for your particular Mustang with its springs and your preferred handling and ride quality.

  • If adjusted too soft, your Mustang will feel floaty, especially at freeway and higher speeds.
  • If adjusted too stiff, the ride quality will be extremely harsh.
  • Experiment to find your personal happy spot that's not too soft, and not too harsh.

We're working on FAQs for this product. If you have a question, please use our Contact Us page to email your question. We'll answer your question by return email, and also consider it for possible addition to this FAQ section.

Koni has a video showing how to adjust Koni struts and shocks:
https://www.youtube.com/watch?v=ksekDSo3Dbc