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RTR Performance Pack Rear Spoiler Gurney Flap (18-20 GT, EcoBoost)

Item 405954
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Market Price $287.49 You Save 13% ($37.50)
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$249.99 (each)

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      Product Information

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


      • RTR Aggressive Track Inspired Styling
      • Gurney Flap Design
      • Durable Injection Molded TPO Material
      • Features a Grained Texture
      • Simple Peel and Stick Installation
      • Designed for use with the Factory Performance Pack Pedestal Style Rear Spoiler
      • Fits 2018-2020 Mustangs


      Modern Aggressive RTR Styling. Add aggressive street/track styling to your 2018-2020 Performance Pack equipped Mustang with a RTR Gurney Flap. Designed and developed in conjunction Vaughn Gittin Jr., this RTR Gurney Flap not only adds an aggressive appearance to your Mustang, but also helps to increase downforce (at speed) for improved traction.

      High Quality TPO Construction. RTR manufactures their Rear Spoiler Gurney Flap from an injection molded thermal plastic olefin (TPO) material using the original OEM CAD data from Ford to ensure a perfect fit. TPO is an extremely strong material known for its light-weight, superior durability and impact resistance - making it perfect to withstand the hazards of daily driving. This Gurney Flap is completed in a fine grained stippled texture for an OEM factory appearance.

      Simple Peel and Stick Installation. No drilling is required for installation. This RTR Gurney Flap is designed to install simply with the pre-applied 3M doubled sided automotive bonding tape. Thoroughly clean the surface of the Performance Pack Pedestal Style Rear Spoiler and then simply peel the 3M tape from the back and set it firmly in place. It is that easy.

      Application. This RTR Gurney Flap is specifically designed to fit 2018-2020 GT and EcoBoost Mustangs equipped with the factory Performance Pack Pedestal Style Rear Spoiler.


      Fitment: 2018 2019 2020

      MPN# 405954

      CA Residents: WARNING: Cancer and Reproductive Harm -


      Customer Reviews (18)

      Write a Review

      Ratings Summary

      4.7 out of 5 overall rating from 18 customers

      Installation Time: Less than 1 Hour

      • February 26, 2020

        5 2019 GT - Brianja Installation Time: Less than 1 Hour

        Gives a different look

        Great fit and gives a good look to set you apart from the crowd.

        Helpful (0)
      • February 13, 2020

        5 2019 GT - CarlosC Installation Time: Less than 1 Hour

        Amazing rear spoiler

        I think it looks great on my kona blue, I was sceptical about buying it because it looked like an added product to the pp1 wing on the other color cars. Imo looks best on darker colored cars. But overall I'm very happy with purchase. It was easy to install, I suggest you use a friend. Bo need to buy 3m tape, the one it brings is great and trust me it works.

        Helpful (0)
      • December 28, 2019

        5 2019 GT - Gumby256 Installation Time: Less than 1 Hour

        Simple Mod, Looks Great!

        Simple to do. I do suggest a friend just to make sure it’s stuck down straight done right. Looks great though. Really pleased with a mostly visual mod.

        Helpful (0)
      • October 31, 2019

        5 2019 GT - HardeepB Installation Time: Less than 1 Hour

        Looks awesome on car

        Fits perfectly and it makes the car stand out from rear. Very easy to install and I drove past 110 mph and no issues.

        Helpful (0)
      • July 18, 2019

        4 2019 GT - Cunka Installation Time: Less than 1 Hour

        Looks far

        The positives are it made the car look a lot meaner and completely changed the look. Also not difficult to install. The only negative is that is seems to want to pull away from the performance pack spoiler at the ends. The part was not curved enough out of the box and has never wanted to fit tight at the ends. I believe that is why it's pulling away. Makes me nervous to drive it at higher speeds.

        Helpful (0)
      • May 10, 2019

        5 2019 GT - DAVID Installation Time: Less than 1 Hour


        went on flawless, and i love the look and already getting compliments, car looks sick now

        Helpful (0)
      • April 16, 2019

        5 2018 GT - DougL Installation Time: Less than 1 Hour

        Awesome look

        Looks awesome, really sets your PP1 car apart from all the other ones. 10/10

        Helpful (0)
      • April 08, 2019

        5 2018 EcoBoost - Morgan Installation Time: Less than 1 Hour


        Easy installation for an badass look. I did get some red 3M tape cover stuck underneath the flap, which is slightly annoying, but that was my own fault for being incompetent LMAO.

        Helpful (1)
      • April 02, 2019

        5 2018 GT - ChristopherW Installation Time: Less than 1 Hour

        RTR Spoiler Gurney

        Besides replacing the factory spoiler, this is the next best option. Added that duck tail look, with no permanent modification. Love it!

        Helpful (2)
      • March 08, 2019

        5 2018 GT - MerigianS Installation Time: Less than 1 Hour

        Great addition

        This makes a great addition to the spoiler and over all look of the car. Super easy to install

        Helpful (1)

      Questions & Answers (7 answers)

      5 Top Rated Questions

      Will this work for a 2019 EcoBoost non performance pack?

      this doesn't come with the spoiler right? just the flap. i know it said flap but i just want to confirm.

      Is this able to be painted to match the rest of the body?

      If removed from car later would there be any damage to your factory spoiler?

      • This uses 3M adhesive tape. The best way to remove an item that uses this is to heat the area with a hair dryer and then remove with a plastic pry bar wrapped in a cloth.

      Helpful (0)

      Is this the same piece that was on the red rtr car on display at your am2019 show?

      • Yes, this is the part that was installed on that car!

      Helpful (0)
      Post Your Question
      2 More Questions
      my car has ceramic coating, will that effect the tape sticking to the spoiler? 1 answer
      Any idea what kind of speeds this thing will hold up to? Want to be sure its safe for track days. 1 answer

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) Gurney Flap
      • 3M Automotive Bonding Tape