Rally Innovations Splitter Rally 1 Aluminum Matte Black 4-Piece Rear Kit Mustang GT350/ GT350R 2015-2020

Rally Innovations:
100% of 100


  • Proudly Made in the USA!
  • Exclusive to CJ Pony Parts
  • Complete 4-Piece Kit
  • Easy Bolt-On Installation
MSRP $313.99
You save 10%

Rally Innovations Rear 4-Piece Matte Black Aluminum Rally 1 Splitter Kit for 2015, 2016, 2017, 2018, 2019 and 2020 Shelby GT350 and GT350R Mustangs.

Are you the proud owner of a 2015-2020 Shelby GT350 or GT350R Mustang? As someone who takes pride in their ride, you want to make sure its style is always updated. This is why you need a Rally Innovations Rear 4-Piece Matte Black Aluminum Rally 1 Splitter Kit (FO-P8J-RSP-01) direct from CJ Pony Parts!

Features and Benefits:
- Exclusive to CJ Pony Parts
- Rally 1 four-piece kit design constructed from premium 11-gauge aluminum
- Each piece features a durable matte black powder-coated finish
- Tested on track to speeds of up to 130mph
- Quick and easy bolt-on installation with all mounting hardware included
- Aggressive appearance provides a unique aerodynamic design
- Proudly made in the USA

This Rally 1 Splitter Kit made by Rally Innovations is exclusive only to CJ Pony Parts! This is the only place you can get this unique, stylish upgrade for your Mustang's rear end. The pieces in this kit all feature an 11-gauge aluminum construction with a durable matte black powder-coated finish. These pieces together will add a sleek and aerodynamic look. They are tested on track at speeds of up to 130 mph for quality assurance that they will stand up to whatever you can throw at them. You will also receive all required mounting hardware for an easy bolt-on installation. Your new Rally 1 Splitter Kit (FO-P8J-RSP-01) from Rally Innovations is proudly manufactured in the USA!

Please Note: This rear splitter kit is NOT designed to be used on any other 2015+ V6, EcoBoost or GT Mustang.

Tech Tip: Please see P/N: FS128 and SKIRT31 for the matching Front and Side Skirt Splitters that are available separately. If you are interested in the full 9-piece kit, please see P/N: R1GT350K as it includes the 3-piece Front, Side Skirt Pair, and 4-piece Rear Splitters.

Vehicle Fitment:
- 2015-2020 Shelby GT350 Mustang
- 2015-2020 Shelby GT350R Mustang

*Does NOT fit GT500 models.

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Installation Videos

Vehicle Fitment

This product will fit the following Mustang years:

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