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KONI STR.T Rear Shock (05-14 All)

Item 37801
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$75.64 (each)

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      Review & Installation Video

      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation


      • Improves Handling Performance
      • Twin-Tube Gas Pressure Design
      • Ideal Stock/Upgrade Replacement
      • Non-Adjustable Damper
      • Orange Finish
      • (1) Rear Shock - Sold Individually
      • Does Not Include Bushings
      • Fits All 2005 to 2014 Mustangs


      Improves Handling Performance. Upgrade the suspension of your S197 Mustang with Koni STR.T Street Rear shocks for improved handling and performance. STR.T Shocks are Koni's entry level performance line designed to be direct fit replacements for your factory shocks and are compatible with both stock and aftermarket springs.

      Quaility Construction. Non-adjustable, this Koni STR.T Street Series rear shock features a gas pressurized twin-tube design with a larger-diameter piston for optimum street performance. This shock is completed in a durable orange finish with the world-famous KONI logo.

      Application. This Koni STR.T Street Rear Shock is designed for use on the 2005 to 2014 Ford Mustangs, including the V6, GT, Bullitt and Shelby GT500 models. Sold individually.

      Note. Coupon codes cannot be applied to this product.

      Fitment: 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 Details

      MPN# 8250 1008

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (100+)

      Write a Review

      Ratings Summary

      4.5 out of 5 overall rating from 100+ customers

      Installation Time: Afternoon

      Installation Cost: $100-$250

      • November 25, 2019

        4 2013 V6 - prochargedv6guy Installation Time: Less than 1 Hour

        Good quality, doesn’t come with bushings

        Good overall product, can’t beat the price. Doesn’t come with bushings so you’ll shave to reuse stock or if yours are work out ford sells some for ~$40 a piece ( upper and lower sold separately ) Pretty hefty for what’s basically a grommet if You ask me but the junkyards open five days a week...

        Helpful (0)
      • November 21, 2019

        3 2011 GT - Garcaminal

        GOOD... BUT

        Great shock - but absolutely bush league that no bushings are created.

        Helpful (1)
      • September 12, 2019

        5 2010 GT - AlisonM Installation Time: Less than 1 Hour

        Rear shocks

        The shocks are what I expected and look great on my car

        Helpful (0)
      • September 09, 2019

        5 2013 V6 - Poppy56 Installation Time: Less than 1 Hour

        KONI STR.T Rear Shocks

        I just installed my new Koni STR.T rear shocks this weekend on my 2013 Mustang Convertible. Man, what a night and day difference they made!!! Ride is so much improved with decreased body roll and smoother and quieter over uneven pavement. I am ready to install a set on the front next. Greg

        Helpful (0)
      • August 22, 2019

        3 2008 GT - IsabelGomez Installation Time: Afternoon

        Rear Shocks

        Highly satisfied with how the car rides after installing these. However, was disappinted to see that they did not come with new rubber bushings, had to use the old shock bushing.

        Helpful (0)
      • July 12, 2019

        5 2006 GT - LarryNC Installation Time: Afternoon

        Plastic tube cover rattles

        These were easy enough to install. Reused the top nut, two top bushings and the bottom bolt/nut. After I got the first side all installed I notice the plastic cover was slightly loose. I tightened up the top nut as far as it would go but it still rattles. Then I realized that the metal piece in the top was tight against the bushing, it is the plastic tube that is not completely tight where it attaches to its metal washer. So I guess it will be OK, just maybe a little noisy. Wish I had looked at my jounce bumpers before I ordered the shocks.. one is completely gone and the other is pretty messed up. This is the first time I have replaced shocks myself, so it took longer. Not much room for torque wrench leverage on jack stands.

        Helpful (1)
      • May 12, 2019

        5 2012 V6 - TimD Installation Time: Afternoon


        They were ok time to replace stock shocks cant really tell how they are yet seem fine stock height

        Helpful (0)
      • May 06, 2019

        1 2013 GT - GreenStang99

        Absolutely terrible!!!!

        I don’t know if it’s Koni’s quality control or AM but between myself and two buddies we received 10 blown shocks and most of which came in boxes that looked as if they were previously returned. Very dissatisfied with this product. AM did do everything they could to resolve the issue but it’s terrible quality control and bad customer service. I would definitely recommend spending a little extra money on better parts because Koni just isn't the answer anymore.

        Helpful (5)
      • May 05, 2019

        4 2005 GT - Mustang7599

        Good buy!

        These shocks really improve your contact with the road and stability. I am glad I bought them!

        Helpful (0)
      • April 05, 2019

        5 2008 GT - RogerZ Installation Time: Less than 1 Hour

        Perfect fit

        Stiffened my ride but not crazy and do notice my wheels are more planted :)

        Helpful (0)

      Questions & Answers (16 answers)

      5 Top Rated Questions

      do they include hardware? do they include hardware ? and also would i keep my stock ride quality with this shocks?

      • You have to use the stock part that's unscrewed from the top of stock shocks like the screw and rubber piece ...... But other than that yes it keeps the same stock like ride quality if not better ! On mine it's better than stock !

      Helpful (2) Show 1 more answer

      I just bought some SR front struts and in the future I was considering these rear shocks, would it be a good idea to have the SR struts and these Koni shocks? Or should I just stick to the same brand in all 4 corners

      • Hello, AlexanderT5U1579638 for the best results and ride quality it would be recommended to run a matching set.

      Helpful (1)

      2012 GT with leaking rear shocks. Is it okay to just replace rear shocks while keeping everything else stock?

      • Yes, you can install these Koni shocks while keeping everything else factory. We would recommend the KONI STR.T Front Struts, item 100679 for a complete installation, however, they are not required.

      Helpful (1)

      Hello I have a set shock absorbers Koni STR.T front and rear with 1.5" BMR coil springs. But now I would to replace with coil springs stock, because where I live there are so many big and small bumps on the roads to reduce speed ! what ruin the lower part of the body. They can be assembled with coil springs stock. Thank you

      • Hello! The KONI STR.T Rear Shock will work with factory springs.

      Helpful (1)

      Stock nut did not fit this shock. Had to order nuts at Fastenal. Hear clicking noise when hitting bumps. Where do I find bushings to fit Koni rear shocks where the nut is attached like the stock hardware?

      Post Your Question
      10 More Questions
      Just bought these and installed them but it seems like the strut is sticking up way too far in the trunk. I had to buy some washer just so they wouldn’t move, 10 on each side to be exact, How would you go about fixing this? 0 answer
      I have a 2013 gt, I was looking at putting the sr performance lowering springs on. Do I need both front and rear sets of shocks or will one do? 1 answer
      Are the Koni shocks and struts compatible with SR Performance Lowering Springs? 1 answer
      In reading the reviews it seems that the shocks do not come with the hardware needed to install. How do i buy the needed hardware for these shocks? 1 answer
      will this shock fit my left and right shock please response 1 answer
      I have SR Lowering Springs already, so, if I bought these shocks with the front Koni struts, will I need to buy any other parts to to install them? Or will I be able to install them with just these parts? 1 answer
      Are these softer than stock? 1 answer
      Will these stop the bounciness caused by lowering springs. I am lowered 2 inches in the back. I am on a budget so i cant do the adjustable ones now. 1 answer
      Will they fit on my mustang? i want to know if they will fit on my mustang(2012) which is lowered 2 inches(only springs) 2 answers
      H&R Super Sport Springs Will this work with the H&R Super Sport Springs ????? 2 answers

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Rear Shock

      Tech Specs

      Year:2005-2014Model:V6, GT, Bullitt, GT500

      Will It Fit My Mustang

      • Boss 302 - 12, 13
      • Bullitt - 08, 09
      • GT - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14
      • GT500 - 07, 08, 09, 10, 11, 12, 13, 14
      • V6 - 05, 06, 07, 08, 09, 10, 11, 12, 13, 14

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