2020+ Silverado HD & Sierra HD Mods

874 topics in this forum

1. Installing a transmission dipstick for the 6L90 (L8T gas trucks) using factory fit GM parts. 1 2 3 4

   By Epsilon Plus, October 28, 2022
   • 58 replies
   • 16.7k views
   • 
   • mtbadbob
   • November 28

3. Gauge Additions to '23-'24 Dash 1 2

   By Kerry Pulaski, November 20
   • 25 replies
   • 909 views
   • 
   • 64BAwagon
   • 9 hours ago

4. Zr2 front suspension

   By Joe97281, Monday at 02:28 PM
   • 1 reply
   • 112 views
   • 
   • Joe97281
   • 15 hours ago

5. Cold Air Intake 1 2 3 4

   By Jettech1, February 4
   • 53 replies
   • 5.9k views
   • 
   • reb0957
   • Monday at 04:22 AM

6. Upfitter Switch Question

   By paauto, Sunday at 08:28 PM
   • 3 replies
   • 161 views
   • 
   • Another JR
   • Monday at 02:32 AM

7. 2024 Chevy Fog Lights same as 2023 GMC

   By Nickp1, September 5
   • 5 replies
   • 2.4k views
   • 
   • Tater smith
   • Sunday at 06:58 PM

8. Dash cam installation

   By pappytk, November 20
   • 9 replies
   • 549 views
   • 
   • BuckWallace
   • Sunday at 03:35 AM

9. 6.6L L8T Gas Exhaust Options - MBRP, Borla... 1 2 3

   By powderMonkey, March 9, 2021
   • 39 replies
   • 25.7k views
   • 
   • EPL
   • Saturday at 08:13 PM

10. Best Cold Air Inatke 6.6 Gasser

    By MacLaren, July 7
    • 6 replies
    • 1.2k views
    • 
    • ember1205
    • Saturday at 08:12 PM

11. How can I wire this up? 1 2

    By sage55, November 26   

    • led
    • 2500HD
    • (and 2 more)

      Tagged with:

      • led
      • 2500HD
      • at4
      • light bar
    • 28 replies
    • 838 views
    • 
    • Pryme
    • Friday at 11:04 PM

12. Steering Stabilizer (crossarm link shockabsorber) '16 & up HD's

    By Kerry Pulaski, Friday at 02:51 PM
    • 2 replies
    • 158 views
    • 
    • gemarsh
    • Friday at 06:06 PM

13. 2024 2500HD LTZ front end swap to LT

    By pepsijgf24, September 15
    • 3 replies
    • 1.3k views
    • 
    • Tyson Allen
    • Thursday at 10:54 PM

14. part numbers for clips

    By reb0957, November 23
    • 6 replies
    • 257 views
    • 
    • reb0957
    • Thursday at 08:40 PM

15. Trade 2023 High Country 2500 OEM 20" tires/wheels for 18"?

    By Jack Horn, November 25
    • 11 replies
    • 375 views
    • 
    • Dunn
    • November 30

16. converting manual drivers seat W/O heat & vent to power with heat & vent

    By Brad Styan, November 29
    • 0 replies
    • 143 views
    • 
    • Brad Styan
    • November 29

17. Construction Pic Thread

    By NaturallyAspirated, January 31
    • 7 replies
    • 1.3k views
    • 
    • MesaRat
    • November 28

18. Adding 12v cig lighter outlet and additional USB to my 24 LT/Z71

    By 64BAwagon, November 11
    • 4 replies
    • 572 views
    • 
    • Dunn
    • November 26

19. Capless fuel fill gas cap

    By Mike LaRocque, March 30, 2021
    • 12 replies
    • 10k views
    • 
    • Pryme
    • November 25

20. Dark Essentials Emblems

    By Curt Carleton, November 24
    • 5 replies
    • 345 views
    • 
    • Curt Carleton
    • November 25

21. Bilstein ghosting me on warranty. Buyer beware, get your parts from a big retailer.

    By Epsilon Plus, October 28
    • 4 replies
    • 1k views
    • 
    • dal1980
    • November 24

22. AT4X Suspension Availability

    By BuckWallace, November 20
    • 4 replies
    • 457 views
    • 
    • kylant
    • November 23

23. 285/75-18 on stock wheels

    By 2011Chevy, November 22
    • 3 replies
    • 282 views
    • 
    • 2011Chevy
    • November 22

24. Morimoto headlights

    By Npd15, November 4
    • 4 replies
    • 527 views
    • 
    • KTDanforth
    • November 20

25. 2500 Tonneau Cover

    By PFTX_5.3, November 17
    • 4 replies
    • 510 views
    • 
    • SoCal Angler
    • November 20

26. Bug deflector disrupting Duramax scoop airflow

    By Jack Horn, November 18
    • 3 replies
    • 371 views
    • 
    • waltman
    • November 19