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Ford Shelby GT500 Rear Valance (13-14 All)

Item 53717
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Ship to: Ashburn - 20149
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      Product Information

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


      • 2013 Shelby GT500 Styling
      • Genuine Ford Part
      • Features Grained Texture
      • OEM-Quality Plastic Material
      • GT and V6 Models Require Cutting the Original Factory Bumper Cover
      • Fits All 2013-2014 Mustangs


      Shelby GT500 Styling. This Lower Rear Valance (a.k.a. Diffuser) is the exact same one that is featured on the Shelby GT500 Mustang. Offering aggressive race inspired styling this rear diffuser makes the perfect replacement part or appearance upgrade for your Mustang.

      Quality Construction. Made from OEM quality high pressure injection molded thermal plastic for it's long lasting durability, this rear diffuser features an OEM grained texture for increased longevity against rock impacts from daily driving.

      Application. This Rear Diffuser is a direct fit replacement for the 2013-2014 Shelby GT500 and BOSS 302 Mustangs, can also be installed to upgrade the appearance of your V6 or GT models with modifications.

      Installation Note. Installation of this Shelby GT500 rear valance diffuser on a GT or V6 model will require modifing the stock rear bumper fascia cover. You will need to cut and remove the lower section of the cover and cut slits to retain the valance. Fortunately Ford pre-marked the backside of the factory fascia cover showing exactly where you need to cut making the job much easier.

      Fitment: 2013 2014 Details

      MPN# DR3Z-17F828-AB

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (51)

      Write a Review

      Ratings Summary

      4.9 out of 5 overall rating from 51 customers

      Installation Time: Afternoon

      Installation Cost: $100-$250

      • May 23, 2019

        5 2014 GT - Mrblue Installation Time: Afternoon


        Gives the car a nice conversion. You don’t see many mustang everyday with this so this mod is a for sure head turner

        Helpful (0)
      • May 09, 2019

        5 2014 GT - JavonH Installation Time: Less than 1 Hour

        Great product

        Absolutely love my new GT500 valance, completes the look of the rear of my California special

        Helpful (0)
      • March 28, 2019

        5 2014 GT - EliasF Installation Time: Afternoon

        Rear Valance

        This valance will upgrade your vehicle looks and style

        Helpful (0)
      • March 03, 2019

        5 2014 GT - ScottG Installation Time: Afternoon

        Looks great

        AM is always fast with shipping! This product was out of stock when I ordered it but it still came in within a couple weeks! There is some significant cutting to be done on the bumper which was a little nerve racking, but all in all it wasn’t that bad!

        Helpful (1)
      • August 22, 2018

        5 2013 GT - Al Installation Time: Less than 1 Hour


        Can't complain, it's perfect. Took like 5 mins to install.

        Helpful (5)
      • August 16, 2018

        5 2013 GT - JoseG Installation Time: Afternoon

        Made a great choice

        Easy to install with the rite tools! Matched it with the Magnaflow black quad axel back!

        Helpful (6)
      • August 02, 2018

        5 2014 GT - Dirty Installation Time: Less than 1 Hour

        Perfect fitment

        Fitment is perfect! Quality is as expected.. The look with my quad tip Corsa exhaust is amazing! Took no time to install once the bumper is cut, takes longer to pull and cut bumper than to install the valance.

        Helpful (5)
      • July 04, 2018

        5 2013 GT - silver408coupe Installation Time: Less than 1 Hour

        Awesome product

        This was everything. I hoped it would be. The install was easy and it looks great. No issues at all and I’m completely satisfied from ordering, shipping, installation and end product installed.

        Helpful (6)
      • July 02, 2018

        5 2013 GT - TyVaow96 Installation Time: Afternoon

        Looks great!

        This really brings together the rear end of the car! Looks perfect and more aggressive for the dual tips!

        Helpful (6)
      • May 23, 2018

        5 2013 GT - JesseB Installation Time: Less than 1 Hour

        Shelby Rear Valence

        Easy to install and looks great! A very quality piece!

        Helpful (6)

      Questions & Answers (20 answers)

      5 Top Rated Questions

      Just for clarification, since my car has the Boss 302 valance, if I wanted to add this to the car I wouldn't have to cut anymore?

      • As long as you have the Boss rear end this will fit with out cutting yes.

      Helpful (1)

      does a 2013 Boss 302 , require cutting as well or is it a direct fit ?

      • Hi, No cutting is required this Ford Racing Shelby GT500 Rear Valance is a direct fit replacement for the 2013-2014 Shelby GT500 and BOSS 302 Mustangs

      Helpful (1)

      Can you install this on a 2010-2012 mustang gt. Love the look and want to put quad tips on my gt, but don't want to cut out the shape on my bumper if I can just put this on instead.

      For my 2013 GT I bought the Corsa quad tips, and need to buy the valence for them to fit. Do I need to purchase a valence and a diffuser or are those the same things? For example can I buy a carbon fiber diffuser and everything will work?

      • If you're looking to install quad exhausts, you will be good to go with the purchase of just this valance! Nothing else would be needed.

      Helpful (0)

      What size quad tips can I fit with this diffuser?

      • You would be able to fit up to a 4-inch tip depending on the gap between the tips themselves.

      Helpful (0)
      10 More Questions
      What size quad tips can I fit with this diffuser? Ex(3” or 4”) 1 answer
      Does this come with the 2 reflectors? 1 answer
      Is it possible to paint the valance ? 1 answer
      Will this work with the Magnaflow Street quad exhaust? 1 answer
      Does this come with the required pins and clips to attach it? 1 answer
      If i buy the 13-14 GT500 rear valence for my GT, I can use any 13-14 GT500 axleback on my GT right? 1 answer
      I read on a forum that since GTCS models come with a diffuser that doing a GT500 is a direct fit, do you guys have any knowledge of that? Will I still need modifications? 1 answer
      Do I need hardware for it? 1 answer
      Will this fit in a 2014 gt/cs? 1 answer
      Will this work without quad exhaust?? Will it look ok with just dual?? 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Rear Diffuser Valance

      Tech Specs

      Will It Fit My Mustang

      • Boss 302 - 13
      • GT - 13, 14
      • GT500 - 13, 14
      • V6 - 13, 14

      V6 Mustangs require exhaust modifications