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RW Carbon

RW Carbon BMW F8X M3/M4 Varis Style CF Diffuser+Undertray

RW Carbon BMW F8X M3/M4 Varis Style CF Diffuser+Undertray

Regular price $2,199.95 USD
Regular price Sale price $2,199.95 USD
Sale Unavailable


We are proud to introduce our most aggressively styled diffuser yet, the Varis Style Carbon Fiber Rear Diffuser and Undertray. This diffuser+undertray combo is sure to set off the rear appearance of your M3 or M4. This item fits all 2015+ M3 and M4 applications. This item will come as a 2 piece kit, the diffuser AND the undertray - Both of which will be crafted from 2x2 carbon fiber and completed with a high gloss clearcoat. As with all of our items, installation is 100% bolt on and requires no special modifications or cutting into your M3/M4 (Other than screws to secure the undertray). Will include all necessary brackets and hardware required for installation.


This BMW G80 and G20 GTX style trunk spoiler adheres to your trunk using 3M brand VHB double sided tape. Professional installation is always recommended.


  • 2015-2020 BMW F80 M3 Sedan
  • 2015-2020 BMW F82 M4 Coupe
  • 2015-2020 BMW F83 M4 Convertible


  • Most aggressive diffuser available from us
  • 2x2 genuine carbon fiber construction
  • Completed with high gloss clearcoat
  • Bolt on installation no special modifications required
  • Comes as 2 piece kit
  • No special modifications required for installation
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