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2020 Silverado HD & Sierra HD Mods

Discuss modifying and accessorizing your 2020 Chevrolet Silverado 2500 / 3500 or 2020 GMC Sierra 2500 / 3500.

432 topics in this forum

  1. Tire size! 1 2

    By ahartzell2020,
    • 15 replies
    • 534 views

  3. New wheels

    By kylant,
    • 2 replies
    • 70 views

  4. Recovery Winch Basics

    By 1Joshman,   
    • 1 reply
    • 48 views

  5. Let's install the "upfitter switches" 1 2 3 4 9

    By blamkin86,
    • 133 replies
    • 50,240 views

  6. Oil/air separator *catch can

    By Half_ton,
    • 4 replies
    • 1,926 views

  7. LT Tirm Navigation SD Card 1 2 3 4

    By blk04sr,
    • 51 replies
    • 6,783 views

  8. Whistling 2-way Radio Antenna’s

    By L8T,
    • 1 reply
    • 111 views

  9. Speedo recalibrate?

    By Cardsfan,
    • 6 replies
    • 315 views

  10. What have u done to your 2020 hd 1 2 3 4 26

    By mkeddie,
    • 380 replies
    • 92,689 views

  11. Help W/ relocating camera port from bumper to bed for 5th wheel, 1 2 3 4 5

    By 2020_3500HD_High_Country,
    • 61 replies
    • 14,841 views

  12. 10 months - Dead GMC trailer camera wasted $500, No help from GM - Ready to burn anything GMC.

    By In2racn,
    • 3 replies
    • 252 views

  13. Biggest Tires and Wheel Offset on stock truck? 1 2

    By Duramax85,
    • 19 replies
    • 1,164 views

  14. Will lifting front 1” by cranking torsion bars cause any issues?

    By Camstyn,
    • 3 replies
    • 309 views

  15. Feedback on S&B Intake for diesel

    By 02silverbelter,
    • 3 replies
    • 358 views

  16. Hitch Height

    By army1504,
    • 1 reply
    • 142 views

  17. How to add cab lights to a 2020+ Silverado

    By hotairgypsy,
    • 7 replies
    • 345 views

  18. Trailer Tire Pressure Monitoring System (TTPMS) 1 2 3 4 5

    By KC10Chief,
    • 63 replies
    • 21,021 views

  19. Anyone running the Cognito 4” lift with stock wheels?

    By CobraEatr,
    • 12 replies
    • 458 views

  20. SWAPPING TO LED LIGHTS FOR 2020 SILVERADO LT 2500HD DURAMAX

    By stephane lamoureux,   
    • 11 replies
    • 811 views

  21. 325/60/20 Grabber ATX on factory wheels

    By Austinamp,
    • 0 replies
    • 178 views

  22. 6.6L L8T Gas Exhaust Options - MBRP, Borla... 1 2

    By powderMonkey,
    • 22 replies
    • 1,521 views

  23. Leveling kits? If so, let's see them. 1 2 3 4 12

    By inquenciocha,
    • 175 replies
    • 63,778 views

  24. Anyone have Rough Country HD2 steps?

    By Rozz522,
    • 0 replies
    • 108 views

  25. Custom Switch Installation

    By ArrowsmithPML,   
    • 3 replies
    • 234 views

  26. Anyone know part number for trailer camera that plugs into ports on rear bumper? 1 2 3 4 9

    By Sunshine39,
    • 123 replies
    • 30,402 views


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