Maxton Design Racing Rear Diffuser Black & Red w/ Red Vertical Bars - Subaru WRX / STI 2015-2021



Here, you are looking at the Maxton Design Rear Diffuser. This rear diffuser has been designed to improve the aerodynamics by channeling an exit point for the air to quickly escape the rear of the vehicle. This will reduce drag while increasing the downforce, all while providing an aggressive race-inspired look to the exterior fo your vehicle. 





  • Black finish with red vertical bars
  • Designed to reduce the wind drag for improved aerodynamics
  • Improves the downforce
  • Will help channel the air to quickly exit the rear of the vehicle
  • Provides the exterior of your vehicle with race-inspired looks
  • Ideal for daily drivers who like to impress at car meets or shows, or for the track-dedicated race car
  • Made using durable ABS plastic materials
  • Includes pre-installed automotive-grade 3M double-sided tape for the installation




  • Please be aware Maxton products ship w/ an easily removable protective film to ensure safe delivery


    Brand: Maxton Design
    Color: Black
    Installation Location: Rear
    Installation Method: Bolt On
    Material: Plastic
    Mounts To: Rear Bumper
    Mfgr. Warranty: No Warranty
    Condition: New Product
    Return Policy: Standard

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