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5.5" Flare Fiberglass Fenders for 14-17 GMC Sierra FiberwerX

5.5" Flare Fiberglass Fenders for 14-15 GMC Sierra FiberwerX offroad gsf-004
5.5" Flare Fiberglass Fenders for 14-15 GMC Sierra FiberwerX offroad gsf-004

Manufacturer Part #: GSF-004

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Price: Starting at $400.00

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Give your 14-17 GMC Sierra a new look with the FiberwerX Offroad Fiberglass front fenders. These Fiberwerx fenders feature an aggressive look featuring a 5.5" Flare. FiberwerX offers a bumper valance to give your Sierra a seamless look. The fenders are designed for oversized tire clearance and will easily tuck up larger off road rubber. Fiberwerx fiberglass products are all hand-laid and 100% of their Molds are constantly refurbished or built from scratch to guarantee the best fitment and overall finish every time.
Read "How To" Install Instructions


  • Includes Driver & Passenger Front Fenders
  • 5.5" Flare Per Side
  • Fits 37" Tire - 4" Lift or Long Travel

Vehicle Fitment:

  • 2014 GMC Sierra 1500
  • 2015 GMC Sierra 1500
  • 2016 GMC Sierra 1500
  • 2017 GMC Sierra 1500