2015-2019 Silverado & Sierra HD Mods

1,011 topics in this forum

1. Horn wires in engine bay: where are they?

   By corn18, May 24
   • 2 replies
   • 234 views
   • 
   • paauto
   • 6 hours ago

3. 15 6.0 headers

   By cmysstailights, Tuesday at 10:43 AM
   • 0 replies
   • 83 views
   • 
   • cmysstailights
   • Tuesday at 10:43 AM

4. Factory 5th wheel prep package 1 2

   By HEPHAESTUS, February 17, 2019
   • 23 replies
   • 13,457 views
   • 
   • Consul_4_Life
   • June 30

5. 8 lug custom wheels - lets see some pictures 1 2

   By trx680, January 17, 2017
   • 16 replies
   • 5,101 views
   • 
   • ridgehunter70
   • June 29

6. 2015 Sierra 2500HD Dual Steering Stabilizer

   By Justin Taylor, June 10
   • 2 replies
   • 282 views
   • 
   • gearheadesw
   • June 28

7. How to turn off Auto Headlights on 2016 GMC 2500hd 1 2 3

   By Pilsner Man, September 19, 2016
   • 30 replies
   • 16,783 views
   • 
   • gearheadesw
   • June 28

8. LED DRL Conversion

   By ado, June 23
   • 0 replies
   • 141 views
   • 
   • ado
   • June 23

9. Adding Tow Mirrors 1 2

   By Kgonzalez, December 21, 2017
   • 18 replies
   • 13,652 views
   • 
   • Johnq
   • June 22

10. Level or lift 2015 2500HD

    By corn18, March 26
    • 13 replies
    • 929 views
    • 
    • corn18
    • June 22

11. Power folding mirrors for 2015 WT

    By corn18, May 25
    • 11 replies
    • 561 views
    • 
    • corn18
    • June 21

12. What HID kit for Silverado? Advice/input needed 1 2 3

    By Kornfreak_401, March 3, 2015
    • 31 replies
    • 19,857 views
    • 
    • holi gone
    • June 20

13. Accessing Bed Rails

    By 2500HDMitch, June 19
    • 0 replies
    • 130 views
    • 
    • 2500HDMitch
    • June 19

14. Need a new air box.

    By SamT9, June 17
    • 2 replies
    • 220 views
    • 
    • redwngr
    • June 17

15. Keyless entry keypad 1 2 3

    By redwngr, January 27, 2018
    • 39 replies
    • 12,012 views
    • 
    • KARNUT
    • June 17

16. Hd headers

    By cmysstailights, December 21, 2019
    • 1 reply
    • 282 views
    • 
    • cooldude960
    • June 17

17. 2015 gmc sierra 2500HD electric fan conversion

    By Abdulwahab Alnajdi, June 11
    • 4 replies
    • 313 views
    • 
    • dplarson
    • June 15

18. 2018 sierra engine and exhaust mods

    By Landolt, June 13   

    • Tvs1900
    • btr stage 1 blower cam
    • (and 1 more)

      Tagged with:

      • Tvs1900
      • btr stage 1 blower cam
      • borla exhaust
    • 1 reply
    • 254 views
    • 
    • Landolt
    • June 13

19. Rough country 3.5 with 22x12 and 35s?

    By zmnypit, June 6
    • 12 replies
    • 469 views
    • 
    • Woz
    • June 13

20. Largest tire that fits a 2018 3500 duramax 1 2 3

    By xRogrimx, October 19, 2017
    • 44 replies
    • 31,084 views
    • 
    • EasyE
    • June 11

21. Snow plow prep package, backup lamp power feed

    By Sezwhoz, July 10, 2019   

    • snow plow prep package
    • backup lights
    • (and 1 more)

      Tagged with:

      • snow plow prep package
      • backup lights
      • power feed
    • 8 replies
    • 1,408 views
    • 
    • Sezwhoz
    • June 11

22. 2015 3500 SRW swap to DRW.

    By TMassey, June 9
    • 5 replies
    • 292 views
    • 
    • davester
    • June 9

23. Trailer brake not working

    By Diggity Dog, May 30   

    • 2018 GMC HD
    • 5 replies
    • 357 views
    • 
    • Diggity Dog
    • June 8

24. Speed calibrator mess up my efi live?

    By zmnypit, June 8
    • 0 replies
    • 108 views
    • 
    • zmnypit
    • June 8

25. 2015-2019 GMC 2500HD Duramax Regular Cab Trucks

    By cotterchev, May 22
    • 1 reply
    • 227 views
    • 
    • 03 Cobra
    • June 3

26. 2017 2500HD Tire Size 1 2 3

    By TORCHRIDER, August 28, 2017
    • 39 replies
    • 21,451 views
    • 
    • Jacob Kuehl
    • May 28