Rear Spoiler GT350R Style Fiberglass Unpainted Fastback 2015-2020

CJ's Part Number:
93% of 100


  • GT350 Style Rear Spoiler
  • Multi-Piece Design
  • Ships Unpainted
  • 2015-2020 Fastback Mustangs
MSRP $389.99
You save 23%

Unpainted Fiberglass GT350R Style Rear Spoiler for 2015, 2016, 2017, 2018, 2019 and 2020 Fastback Mustangs.

Give your 2015-2020 Fastback Mustang some serious style and an aerodynamic advantage with this Unpainted Fiberglass GT350R Style Rear Spoiler. This unpainted fiberglass spoiler is designed after the iconic S550 Shelby GT350R Mustang.

Features and Benefits:
- Modeled after the S550 Shelby GT350R Mustang's spoiler
- Multi-piece design for easy installation
- Unpainted and ready for customization
- Comes with all required mounting hardware
- Fits 2015-2020 Fastback Mustangs

Tech Tip: Due to the two extra holes that will need to be drilled when installing a GT350R Style Spoiler, we recommend investing in P/N: HW263.

This premium quality Rear Spoiler features a multi-piece design. It utilizes two fiberglass uprights to provide added strength and a decklid flush mount spoiler to cover any existing holes. It comes with all the hardware you need to install the spoiler on your S550's trunk lid.

*Does NOT fit Convertible Models.

Please Note: This GT350R Style Rear Spoiler will require prepping, priming and painting prior to installation.

Add a new spoiler to your 2015-2020 Mustang and experience an immediate improvement in its aerodynamics and styling. With the addition of a new front and/or rear spoiler, your pony will gain an aggressive new look that will be sure to turn heads as you cruise down the street or the highway!

California Residents: Proposition 65 Warning

Installation Videos

Video Transcript

We’re here with a GT350R Style rear spoiler fitting your 2015 through 2017 Mustang Fastback. This fiberglass GT350R style rear spoiler's going to fit all 2015 through 2017 Mustang Fastbacks. It will not fit the convertible because the convertible does have a different shaped trunk. This is designed to give that Shelby look to your normal Mustang, and we'll actually use most of the factory holes for installation. It will require two additional holes to be drilled, but it also comes with this custom panel that mounts on the trunk lid and covers up the factory holes left by your original spoiler. This lower piece here is unique to this spoiler and perfect if you have a factory spoiler on your Mustang. This is going to basically fit between these two pieces here, fit on your trunk lid, and install with the supplied double stick tape and hardware, and covers up the factory holes, so when adding the spoiler you don't have to worry about them. This custom GT350R style rear spoiler will come needing to be prepped, primed, and then painted before being installed on your Mustang.

Vehicle Fitment

This product will fit the following Mustang years:

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