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2015-2018 Subaru WRX/STI Wide Body kit


2015-2018 Subaru WRX/STI Wide Body kit built by MntRider Design, these Subaru wide body kits are made with our patent fiberglass and polymer weave material. Our gives the product the same strength and weight as carbon fiber, they are not only designed for looks but also for aero dynamics. You will not find another Subaru wide body kit on the market that will match our material and specifications.


Wheel Specs:

18 x 12 + 6

MntRider Designs kit comes with:

  • Two Front Bumper Flares
  • Two Front Fender Flares
  • Two Rear Door Flares
  • Two Rear Fender Flares
  • Two Rear Bumper Flares

This kit adds about 4 inches per corner on the car.

If you are looking to get a new look for your car or be able to run wider tires for your track/street car, then this is for you.

Professional Installation is Required

By Clicking I Understand and purchasing this product you are recognizing that Professional Installation is REQUIRED. We are not responsible if you install yourself. 

You will be able to let the car run a wheel wider than 18×12+6 with a 315/30R18 tire or wider.


  • Body Panel kits in Carbon Fiber (coming soon)
  • Front Lip in Carbon Fiber or Fiber Reinforced Plastic (FRP)
  • Rear Deck Lip in Carbon Fiber or Fiber Reinforced Plastic (FRP)
  • Aluminum Rear Diffuser

Customize your order