Modifications & Accessories

1,124 topics in this forum

1. Installed Boost Auto Cab Marker Lights

   By fondupot, October 13, 2025
   • 14 replies
   • 2.3k views
   • 
   • JW2024
   • November 7, 2025

2. 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
   • 63.7k views
   • 
   • customboss
   • November 5, 2025

3. Transmission Pan

   By JW2024, October 28, 2025
   • 13 replies
   • 1.4k views
   • 
   • JW2024
   • November 3, 2025

4. Vent visors

   By mkeddie, October 26, 2020
   • 7 replies
   • 1.5k views
   • 
   • rjgvt
   • November 2, 2025

5. Bed View Camera

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

6. Reroute the trailer camera feed to the rearview mirror

   By g.u., January 17, 2020
   • 6 replies
   • 9k views
   • 
   • PBNB
   • October 25, 2025

7. bucking while towing

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

8. Lower 2025 2500 Trail Boss

   By 2500TB, January 5, 2025
   • 10 replies
   • 3.6k views
   • 
   • N.Penley
   • October 18, 2025

9. 295- 65R20 on stock 2026 3500HD

   By dieselfan1, October 7, 2025
   • 7 replies
   • 2k views
   • 
   • MG386
   • October 18, 2025

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

    By Graves, October 14, 2025
    • 3 replies
    • 1.4k views
    • 
    • dieselfan1
    • October 18, 2025

11. Fox 2.5 HTO installed. 1 2

    By Epsilon Plus, August 24, 2025
    • 28 replies
    • 5.1k views
    • 
    • PBNB
    • October 13, 2025

12. Rear window leak - add flashing or reinforcement?

    By mandrewbot3k, October 5, 2025
    • 3 replies
    • 392 views
    • 
    • mandrewbot3k
    • October 8, 2025

13. S&B Cold Air Intake 30k plus miles update

    By Jettech1, October 2, 2025
    • 3 replies
    • 729 views
    • 
    • AndrewF
    • October 5, 2025

14. Spirit Fire Roof Marker Lights

    By revrnd, April 9, 2025
    • 7 replies
    • 1.8k views
    • 
    • revrnd
    • September 29, 2025

15. can this be upgraded with more options like trailer function and other options?

    By 94yj, September 15, 2025
    • 6 replies
    • 633 views
    • 
    • newdude
    • September 23, 2025

16. can this be upgraded to the one that has two usb ports in it?

    By 94yj, September 15, 2025
    • 2 replies
    • 464 views
    • 
    • 94yj
    • September 23, 2025

17. Shock Upgrade Options - 23 3500 Z71 1 2

    By PBNB, September 5, 2025
    • 15 replies
    • 1.8k views
    • 
    • Dunn
    • September 20, 2025

18. AEV Transmission Skid Plate

    By Tennessee Cattleman, August 16, 2025
    • 5 replies
    • 857 views
    • 
    • revrnd
    • September 15, 2025

19. 2024 Wiring light bar into high beams 1 2 3

    By CRApex, May 24, 2023
    • 32 replies
    • 19.3k views
    • 
    • steig
    • September 9, 2025

20. Rear view mirror power schematic on 2025 hd

    By vucelick, September 5, 2025
    • 1 reply
    • 388 views
    • 
    • davester
    • September 5, 2025

21. 2024 hd lt headlights 1 2

    By Agargano98, July 4, 2023
    • 24 replies
    • 39.9k views
    • 
    • revrnd
    • August 30, 2025

22. Back up Camera for Travel Trailer - Connect to Truck's System?

    By SoCal Angler, August 25, 2025
    • 1 reply
    • 488 views
    • 
    • Anita's2015
    • August 26, 2025

23. Went to flush brake fluid

    By Hoginedgewood, August 24, 2025
    • 1 reply
    • 461 views
    • 
    • newdude
    • August 24, 2025

24. Installed the AEV rear diff cover

    By Epsilon Plus, August 10, 2025
    • 8 replies
    • 1.4k views
    • 
    • Chuck FB
    • August 15, 2025

25. Headlight Aiming 1 2

    By Another JR, December 24, 2021
    • 19 replies
    • 18.2k views
    • 
    • Chuck FB
    • August 14, 2025