Modifications & Accessories

1,137 topics in this forum

1. 2024 LED/LTZ front end SWAP!!! 1 2

   By feedthebob, January 29, 2025
   • 22 replies
   • 12.4k views
   • 
   • BC2833
   • January 10

2. 21 Sierra 2500HD level / wheels/tire

   By Shatterz, December 16, 2025
   • 7 replies
   • 1.1k views
   • 
   • Chuck FB
   • January 9

3. TPM Reflash

   By Mark57, December 17, 2025
   • 5 replies
   • 567 views
   • 
   • Mark57
   • January 3

4. Adding Fog Lights to 24+ HD

   By AndrewF, December 31, 2025
   • 3 replies
   • 599 views
   • 
   • PBNB
   • January 1

5. Added Firestone air bags

   By Hoginedgewood, August 29, 2023
   • 14 replies
   • 3.3k views
   • 
   • NaturallyAspirated
   • December 21, 2025

6. Front console options for Custom/Pro trimmed trucks..?

   By No F-bdy Bs, December 16, 2025
   • 0 replies
   • 394 views
   • 
   • No F-bdy Bs
   • December 16, 2025

7. Help W/ relocating camera port from bumper to bed for 5th wheel, 1 2 3 4 8

   By 2020_3500HD_High_Country, February 23, 2020
   • 106 replies
   • 105.7k views
   • 
   • ADubs
   • December 5, 2025

8. Converting an L8T hood to a functional L5P intake (functional hood scoop). 1 2 3 4 5

   By Epsilon Plus, April 14, 2024
   • 60 replies
   • 30k views
   • 
   • Jerry455
   • November 24, 2025

9. Trailer TPMS Disconnecting Fix

   By mjonesjr84, November 17, 2025
   • 2 replies
   • 1.1k views
   • 
   • mjonesjr84
   • November 23, 2025

10. white cab lights

    By reb0957, September 5, 2023
    • 2 replies
    • 2.8k views
    • 
    • reb0957
    • November 20, 2025

11. Adding memory seats?

    By alex2929, November 19, 2025
    • 2 replies
    • 714 views
    • 
    • newdude
    • November 19, 2025

12. Putting a flatbed / utility body on a 2500 with blind spot alerts / all the sensors

    By chadwick02, November 19, 2025
    • 1 reply
    • 723 views
    • 
    • davester
    • November 19, 2025

13. Aftermarket light bar install

    By Retired747, November 14, 2025   

    • Lights
    • Light bar
    • (and 2 more)

      Tagged with:

      • Lights
      • Light bar
      • wiring
      • Light bar wiring
    • 2 replies
    • 787 views
    • 
    • Another JR
    • November 15, 2025

14. Is the 8" screen a plug and play in the custom models?

    By Jettech1, November 9, 2025
    • 2 replies
    • 442 views
    • 
    • silveradosid
    • November 9, 2025

15. PID for trans gear selection L5P

    By Metal.Dave, October 31, 2025
    • 3 replies
    • 516 views
    • 
    • Anita's2015
    • November 8, 2025

16. Installed Boost Auto Cab Marker Lights

    By fondupot, October 13, 2025
    • 14 replies
    • 3k views
    • 
    • JW2024
    • November 7, 2025

17. What 5W-30 oil brand are you using for the 6.6L gas? 1 2 3 4 15

    By SoCal Angler, August 15, 2023
    • 220 replies
    • 67.8k views
    • 
    • customboss
    • November 5, 2025

18. Transmission Pan

    By JW2024, October 28, 2025
    • 13 replies
    • 1.9k views
    • 
    • JW2024
    • November 3, 2025

19. Vent visors

    By mkeddie, October 26, 2020
    • 7 replies
    • 1.6k views
    • 
    • rjgvt
    • November 2, 2025

20. Bed View Camera

    By oscar_love, October 30, 2025
    • 2 replies
    • 1.2k views
    • 
    • Another JR
    • October 31, 2025

21. Reroute the trailer camera feed to the rearview mirror

    By g.u., January 17, 2020
    • 6 replies
    • 9.1k views
    • 
    • PBNB
    • October 25, 2025

22. bucking while towing

    By Zenchal26, August 25, 2025
    • 9 replies
    • 1.1k views
    • 
    • Z45
    • October 24, 2025

23. Lower 2025 2500 Trail Boss

    By 2500TB, January 5, 2025
    • 10 replies
    • 3.9k views
    • 
    • N.Penley
    • October 18, 2025

24. 295- 65R20 on stock 2026 3500HD

    By dieselfan1, October 7, 2025
    • 7 replies
    • 2.6k views
    • 
    • MG386
    • October 18, 2025

25. Fisher Plow wiring thru cowl 2024 2500HD 6.6 Gas

    By Graves, October 14, 2025
    • 3 replies
    • 1.8k views
    • 
    • dieselfan1
    • October 18, 2025