Fathouse Fabrications 2015-2020 Ford Mustang Weld In Roll Rage – 8.50 Spec

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2015+ S550 MUSTANG ROLL CAGE

Countless hours spent developing Fathouse Fabrications 2015 to 2020 Ford Mustang S550 roll cage kits to ensure proper fitment and give you a professional fitting cage.  Installing a cage in your car is a job that requires patience and skill.  With our weld-in cage kit, this job just became a little easier.  Years of experience in fitting cages tightly in street cars has resulted in the best fitting cage kit you can buy!  We CNC cut all cage kits, this ensures precise fitment every time.  When you purchase a FatFab cage kit you know you are buying quality and using a product you can be proud of.

CAGE KIT FEATURES.

  • Best fitting cage kit on the market
  • Made in the USA!
  • Comes ready to prep for welding and install
  • Built to satisfy 8.50 ET specs
  • 1/8″ steel floor plates included, cold roll so there is no scale to grind off
  • 1 5/8″ Docol tubing, pre-bent and notched
  • 1 1/4″ Docol D Bars, pre-notched
  • Steering column mounts
  • Dash trim plates to finish out your cage and keep the dash looking clean
  • Two options for seat back brace, one for stock seats and one for racing seats

We offer bolt-in seat mounts for Kirkey Racing Seats and Other Fixed Back Racing seats. You can purchase a bolt-on Parachute Mount and related components HERE Optional 7/8″ gussets are available and we suggest adding them for extra strength. *Your windshield will need to be removed for installation.  Notching of the dash will be required to fit with the new cage bars along with slight trimming of the rear decklid and rear side panels. Your carpet will also need to be trimmed to fit with the new cage. *Check out YouTube channel for installation videos

ESTIMATED S550 ROLL CAGE BUILD TIME IS 2 WEEKS.

We’ve got your back!

Function Factory Performance takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and awesome, so without hesitation give us a call at (480) 576-8606, feel free to direct message on our live chat or CLICK HERE to contact us via email.

Make sure to follow us on Instagram: @FFPerformanceAZ and Youtube.

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Function Factory Performance - California HQ
49 Taylor Ct 
Unit #B
Thousand Oaks, CA 91360

Walk-Ins Welcomed

Monday 10:00 AM to 5:00 PM
Tuesday - Friday 9:00 AM to 5:00 PM
Pacific Standard Time

© 2025 Function Factory Performance

Stock status is updated regularly but not guaranteed. We’ll notify you of any changes during your order process. Shipping outside the 48 states (including Alaska, Hawaii, and international) is not free. Please contact sales@ffperformance.co before ordering.
 

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