Modifications & Accessories

1,139 topics in this forum

1. 2022-24 halogen - led grille swap

   By scotthvac.net, June 26   

   • Grill swap
   • Grille swap
   • 3 replies
   • 467 views
   • 
   • scotthvac.net
   • June 26

2. 2024 2500HD LTZ front end swap to LT

   By pepsijgf24, September 15, 2023
   • 12 replies
   • 18.9k views
   • 
   • scotthvac.net
   • June 26

3. Thoughts on these wheels?

   By onetactical, June 18
   • 9 replies
   • 944 views
   • 
   • Tyler Gibbs
   • June 23

4. Road Master Active Suspension

   By GAMark, June 16
   • 9 replies
   • 725 views
   • 
   • MrChips
   • June 22

5. Denali Grille question

   By Puckgrinder85, May 20
   • 2 replies
   • 706 views
   • 
   • Puckgrinder85
   • June 20

6. Brand new to this forum. Questions about re-gearing my 26’ HD

   By BDS my HD, June 14
   • 13 replies
   • 784 views
   • 
   • chris21
   • June 17

7. Detroit Truetrac differential

   By GAMark, June 8
   • 1 reply
   • 386 views
   • 
   • newdude
   • June 8

8. Tonneau cover 1 2

   By GAMark, April 4
   • 16 replies
   • 1.9k views
   • 
   • Coastie05
   • June 7

9. How can I wire this up? 1 2 3

   By sage55, November 26, 2023   

   • led
   • 2500HD
   • (and 2 more)

     Tagged with:

     • led
     • 2500HD
     • at4
     • light bar
   • 34 replies
   • 19.4k views
   • 
   • PBNB
   • June 3

10. Accessory install using upfitter switches 2025 3500 L5P

    By Chris Lungstrass, May 30
    • 3 replies
    • 949 views
    • 
    • PBNB
    • May 31

11. Always on LED lights up front

    By dieselfan1, May 31
    • 2 replies
    • 450 views
    • 
    • frank6150
    • May 31

12. Colored brake calipers on a HD???

    By dieselfan1, March 30
    • 8 replies
    • 1k views
    • 
    • Chuck FB
    • May 15

13. 2022 Sierra elevation refresh passenger seat upgrade

    By AliBasha, February 26
    • 7 replies
    • 875 views
    • 
    • tioran
    • May 13

14. xm antenna module location

    By Gregg Staples, December 25, 2023
    • 5 replies
    • 3.6k views
    • 
    • Gregg Staples
    • May 12

15. AT4X 2500 Airbag Installation - Great Kit!

    By AT4X Steve, March 31
    • 1 reply
    • 902 views
    • 
    • asilverblazer
    • May 7

16. Dialed in for summer

    By dieselfan1, April 15
    • 3 replies
    • 828 views
    • 
    • dieselfan1
    • May 6

17. AT4X OEM Fender Flares fit other trims?

    By EXSlider400, August 22, 2025
    • 8 replies
    • 3.8k views
    • 
    • KTDanforth
    • April 17

18. Zr2 front suspension 1 2 3 4 28

    By Joe97281, December 4, 2023
    • 409 replies
    • 82k views
    • 
    • kylant
    • April 3

19. Tow mirror delete and replace

    By Krogers4871, March 18
    • 7 replies
    • 919 views
    • 
    • Another JR
    • March 30

20. Rubber Bed Mat Gooseneck Holes

    By JW2024, March 26
    • 1 reply
    • 629 views
    • 
    • Another JR
    • March 28

21. L8T - Diablosport Tuner - I bought one and have real data !

    By Shatterz, March 18
    • 7 replies
    • 1.8k views
    • 
    • Pryme
    • March 27

22. Rough Country mudflap delete

    By dieselfan1, March 21
    • 1 reply
    • 480 views
    • 
    • OS RR
    • March 21

23. Speedometer recalculation for larger tires

    By AbzDad, March 11
    • 1 reply
    • 546 views
    • 
    • chris21
    • March 21

24. Speedo correction after wheel/tire swap

    By Walkerman, March 7, 2024
    • 12 replies
    • 14.6k views
    • 
    • chris21
    • March 21

25. Black door handles and mirror covers

    By Jksvet, February 28
    • 7 replies
    • 835 views
    • 
    • KTDanforth
    • March 19