Modifications & Accessories

1,124 topics in this forum

1. Speedometer recalculation for larger tires

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

2. Speedo correction after wheel/tire swap

   By Walkerman, March 7, 2024
   • 12 replies
   • 13.3k views
   • 
   • chris21
   • March 21

3. Black door handles and mirror covers

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

4. Cargo Lamp Flasher?

   By MrMoMotionMan, March 19
   • 0 replies
   • 214 views
   • 
   • MrMoMotionMan
   • March 19

5. 2026 Silverado 2500HD Bumper Question

   By asperjack, March 8
   • 4 replies
   • 617 views
   • 
   • KTDanforth
   • March 13

6. Replacing Shocks - Question

   By darleyhavidson, March 9
   • 1 reply
   • 552 views
   • 
   • asilverblazer
   • March 10

7. GMC Retractable Bed Cover Question

   By wheeler459, March 9
   • 0 replies
   • 352 views
   • 
   • wheeler459
   • March 9

8. How to add cab lights to a 2020+ Silverado 1 2 3

   By hotairgypsy, April 10, 2021
   • 42 replies
   • 71.9k views
   • 
   • chrisrud15
   • March 8

9. Updated navigation.

   By 07HD, March 8
   • 1 reply
   • 353 views
   • 
   • PBNB
   • March 8

10. Hear me out, ‘25 to ‘23 headlight conversion

    By customdoohicky, February 20
    • 8 replies
    • 709 views
    • 
    • customdoohicky
    • March 1

11. Purchased 2026 GMC 2500 HD AT4 - missing AT4 premium package puck system

    By John75126, February 21
    • 9 replies
    • 1k views
    • 
    • 07HD
    • February 28

12. HELP NEEDED WHAT PARTS TO CONVERT 3500 SRW to DRW

    By RadfordFarms, February 24
    • 5 replies
    • 419 views
    • 
    • asilverblazer
    • February 25

13. Let's install the "upfitter switches" 1 2 3 4 16

    By blamkin86, March 24, 2020
    • 233 replies
    • 303k views
    • 
    • PBNB
    • February 22

14. Rear Seat Swap

    By wileydbarnes, October 15, 2023
    • 8 replies
    • 9.3k views
    • 
    • DBeau
    • February 19

15. PPE Rear Differential Cover

    By AndrewF, February 15
    • 9 replies
    • 714 views
    • 
    • bruceb58
    • February 17

16. OEM wheels for 2022 Chevy Silverado 2500 hd.

    By Busman207, February 14
    • 4 replies
    • 580 views
    • 
    • OS RR
    • February 15

17. Project Running Board Lights Is A Success

    By Grjfer, May 24, 2024
    • 9 replies
    • 2.7k views
    • 
    • Grjfer
    • February 14

18. Wireless Apple Car Play Dongle

    By SoCal Angler, February 9
    • 2 replies
    • 310 views
    • 
    • SoCal Angler
    • February 11

19. Added Cab/Clearance lights to a 2025 and they won't light up

    By skorpyd, December 15, 2024
    • 11 replies
    • 6.6k views
    • 
    • jjsima01
    • February 11

20. Key fob faraday pouch 1 2

    By Jack Horn, February 1
    • 15 replies
    • 971 views
    • 
    • Atlas
    • February 10

21. Installed RoadActive Suspension Helper Spring on my 2024 Silverado 2500HD

    By fondupot, January 16
    • 12 replies
    • 1k views
    • 
    • PBNB
    • February 9

22. Looking for pics of winch bumpers on pre facelift trucks

    By Racetech21, February 8
    • 0 replies
    • 212 views
    • 
    • Racetech21
    • February 8

23. New brand of bed cap, big quality for the price

    By Chevy6.6, December 5, 2025
    • 2 replies
    • 428 views
    • 
    • Skeeeeeeeeeeeter
    • February 7

24. Just ordered a Kryptonite Stage 3 2"level 1 2 3

    By dieselfan1, November 13, 2025
    • 44 replies
    • 3.9k views
    • 
    • Chuck FB
    • February 7

25. 2021 Silverado 2500 front end conversion

    By 811adams, March 8, 2025
    • 5 replies
    • 3.9k views
    • 
    • Gutzki08
    • February 3