Modifications & Accessories

1,128 topics in this forum

1. ZR2/AT4X Part Numbers & Conversion Info 1 2 3

   By Epsilon Plus, December 18, 2023
   • 38 replies
   • 19.5k views
   • 
   • kylant
   • April 14

2. Installing a transmission dipstick for the 6L90 (L8T gas trucks) using factory fit GM parts. 1 2 3 4 5

   By Epsilon Plus, October 28, 2022
   • 60 replies
   • 63.3k views
   • 
   • Out in the Shop
   • December 5, 2025

3. 2022-24 halogen - led grille swap

   By scotthvac.net, 16 hours ago   

   • Grill swap
   • Grille swap
   • 3 replies
   • 100 views
   • 
   • scotthvac.net
   • 50 minutes ago

4. VSE CCV Bypass - Anyone have this installed in their L5P?

   By PBNB, Wednesday at 10:59 PM
   • 1 reply
   • 76 views
   • 
   • asilverblazer
   • 3 hours ago

5. 2023 DRW Wheel Liners

   By SFC Retired, Sunday at 12:15 PM
   • 2 replies
   • 155 views
   • 
   • SFC Retired
   • Monday at 11:35 AM

6. Thoughts on these wheels?

   By onetactical, June 18
   • 9 replies
   • 381 views
   • 
   • Tyler Gibbs
   • Tuesday at 10:01 PM

7. Road Master Active Suspension

   By GAMark, June 16
   • 9 replies
   • 381 views
   • 
   • MrChips
   • Monday at 03:56 AM

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

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

9. Detroit Truetrac differential

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

10. Torsion adjustment

    By riddler, June 2
    • 10 replies
    • 557 views
    • 
    • riddler
    • June 5

11. Always on LED lights up front

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

12. Accessory install using upfitter switches 2025 3500 L5P

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

13. Denali Grille question

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

14. Trailer TPS Sensor Question Rim Size

    By bruceb58, May 10
    • 3 replies
    • 427 views
    • 
    • bruceb58
    • May 10

15. side view camera

    By Tim Cullins, April 28
    • 8 replies
    • 692 views
    • 
    • PBNB
    • May 1

16. Dialed in for summer

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

17. Tonneau cover 1 2

    By GAMark, April 4
    • 16 replies
    • 1.4k views
    • 
    • Coastie05
    • June 7

18. AT4X 2500 Airbag Installation - Great Kit!

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

19. Colored brake calipers on a HD???

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

20. Rubber Bed Mat Gooseneck Holes

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

21. Rough Country mudflap delete

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

22. Cargo Lamp Flasher?

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

23. Tow mirror delete and replace

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

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

    By Shatterz, March 18
    • 7 replies
    • 1.1k views
    • 
    • Pryme
    • March 27

25. PPE Transmission Pan Install 1 2

    By darleyhavidson, March 15
    • 21 replies
    • 1.8k views
    • 
    • Pryme
    • March 23