MMR Road Race / HPDE / Carbon Fiber Composite GT4 / GT500 Wing

Wing kits now shipping, please allow up to 4-6 weeks on this item as we try to keep up with demand. 

MMR's New Road Race rear wing took inspiration from both the GT4 Mustang and the GT500 Track Pack. It features Carbon Fiber Composite construction on the Main Wing Body like the GT500 Track Pack and Black Anodized Billet Aluminum End Plates Like the GT4. The Mounting hardware and adjustability is what sets this wing apart from the others. The Wing Uprights and Brackets are contructed of Black Anodized Billet Aluminum and feature easy Downforce Adjusters". The MMR adjustable system allows fast precise adjustment of wing angle/downforce. Wing kits include under trunk reinforcement brackets. Finally MMR's unique design features 3 Upright heights available, all of which can be changed at the track


*Exposed Carbon Fiber Weave with UV Protection Clearcoat (can also be painted if you do not like this look)

*MMR adjustable downforce design - Available only on GT4 Style and Competition Style

*Billet Aluminum Side Plates, Mounting brackets, Uprights and Adjusters

*Adjustable Side/Spill Plates - Available only on GT4 Style and Competition Style

*Made in USA by MMR

*3 Wing Heights to choose from: (see options below)

GT500 Carbon Fiber Track Pack (CFTP) Lowest Height - as shown in primary image

GT4 Medium Height - as Shown in images Below

Race Version Height - Images Coming soon (features Carbon Fiber Uprights and Spill Plates



Requires holes to be drilled in trunk if mounting on 15-19 Mustang or GT350 (non R models) - Wing Mounts may not cover your original spoiler holes. Drill template is included.

Wing and/or its parts cannot be mixed with factory GT500 CFTP - they are not interchangable. Complete Wing Kits from MMR however are a direct replacement for GT500 CFTP. 


Cancellations / refunds will not be permitted on this item due to special pricing. Ship date is an estimate and may vary.



  • Model: 777909
  • Manufactured by: MMR

$2,699.99  $1,999.99
Save: 26% off

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