Aragrev7’s Build - 2020 GMC AT4 - mod list

Aragrev7

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Mar 26, 2021
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Glad to see an Sierra AT4 dedicated forum!
I’ve had my 2020 AT4 5.3L V8 10sp for a short time, but have been able to suit it up quite a bit in that time.
9B159197-0C1B-4168-A05E-BDFBBC1F13BF.jpeg


Mods:
Engine bolt-ons:
  • Volant Cold Air Intake with PowerCore filter & Pre-filter.
  • Custom 3” True Dual Exhaust (separate pipes from headers to tips).
Exterior:
  • Black textured Putco Bed Rails.
  • Black Horse Off Road Armour Bull Bar (custom fit / park sensor rewire).
  • Extang Xceed Tonneau Cover (Hard / 4 Panel).
  • AirDesign Superbolt Fender Flares.
  • Lund Aeroskin II Hood Deflector - Textured Black Finish.
  • Lund Low Profile Window Deflector - Smoke finish.
  • Undercover Swing Case (Passenger).
  • Custom designed Canadian Logos (Black / Red)
  • Carbon Fiber Vinyl wrapped front logo.
  • GMC logo hitch receiver plug.
  • GMC logo Aluminum valve caps.
  • GMC Cargo Net.
  • Flat Step Rails (Black / Textured).
  • 6.5” Stubby Antenna
  • Blind Spot mirrors (side mirrors, rear view)
Wheels:
  • 20x10 (-18) Fuel Covert - Red spoke / Black Beadlock
  • OEM Wrangler Trailrunners (can’t fit bigger tire till lift!)
  • Trimmed / heated fender liners
Tech:
  • Pedal Commander.
  • BlackVue Front & Rear Dash Cam - Shock/GPS/Parking mode/cloud.
Interior:
  • 35% Nano-Carbon Ceramic Window Tint
  • 5% Nank-Carbon Ceramic Windshield Brow Tint.
  • centre console tray & dividers.
  • Baby seats & Skullvibe molle seat protectors : D.
April 2021:
  • BDS 4” lift.
  • 20” Baja Designs S8 Driving/Combo LED Bar w/ Amber backlight.
  • Range Technology AFM/DFM Disabler.
  • Bigger tires.
 

Last edited:
How is that AFM/DFM disabler working for you? I thought they weren't compatible with 2019-2021 models. I was thinking the DFM would prevent the pedal commander from making a huge difference. Did you find that to be the case before you added the disabler?
 

How is that AFM/DFM disabler working for you? I thought they weren't compatible with 2019-2021 models. I was thinking the DFM would prevent the pedal commander from making a huge difference. Did you find that to be the case before you added the disabler?
Short hiatus.
I haven’t gotten the Disabler quite yet. But the pedal commander works perfectly from what I can tell. The different modes are very noticeable. Especially sport and super sport modes. Super sport is completely unmanageable unless your drag racing - just way too much power to the wheels way to fast. It’s basically accidental burnouts at every stop sign until you’re used to how delicate you have to be.
 

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