2015-2019 Silverado & Sierra HD Mods

865 topics in this forum

1. Largest tire that fits a 2018 3500 duramax

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   By xRogrimx, October 19, 2017
   • 33 replies
   • 11,447 views
   • 
   • EZTundra77
   • 3 hours ago

2. GTR LED Fog lamp Kit for HD Chevy

   By fjtort2, November 27, 2018
   • 1 reply
   • 232 views
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   • chrisb1
   • 4 hours ago

3. Factory 5th wheel prep package

   By HEPHAESTUS, Sunday at 03:29 PM
   • 4 replies
   • 108 views
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   • HEPHAESTUS
   • 9 hours ago

4. Front Valance (Air Dam) Trim vs Removal

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   By RyF, October 31, 2018
   • 15 replies
   • 1,628 views
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   • steelcity
   • 14 hours ago

5. light bar behind the grille

   By alaskaguy2019, September 10, 2018
   • 6 replies
   • 1,014 views
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   • JCKustoms
   • Yesterday at 04:40 AM

6. Head unit

   By 2016 Bulldog, Monday at 12:04 PM
   • 0 replies
   • 49 views
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   • 2016 Bulldog
   • Monday at 12:04 PM

7. Upgrading unmodified 2015 LML

   By halhawkins, Sunday at 06:20 PM
   • 0 replies
   • 59 views
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   • halhawkins
   • Sunday at 06:20 PM

8. Anyone install fog lights in the black fillers to the sides of the trans cooler?

   By rsay3, November 28, 2018
   • 4 replies
   • 493 views
   • 
   • joeb11
   • Saturday at 03:26 PM

9. 4x4 to AWD conversion

   By atlantaman, February 10   

   • awd conversion
   • 11 replies
   • 250 views
   • 
   • EXSlider400
   • Friday at 08:57 PM

10. Program

    By Francis Aldridge, February 15
    • 2 replies
    • 105 views
    • 
    • avalonandl
    • Friday at 08:31 PM

11. 2017 3500HD 6.0 Mild muffler option advice

    By EZTundra77, January 31
    • 8 replies
    • 372 views
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    • dozerboy
    • February 12

12. Bolt on exhaust tip 2017-2018 Dmax

    By EXSlider400, December 11, 2017   

    • 2500hd
    • 3500hd
    • (and 1 more)

      Tagged with:

      • 2500hd
      • 3500hd
      • 6.6l duramax
    • 13 replies
    • 3,009 views
    • 
    • paauto
    • February 11

13. Leveling Front and Rear of 2500

    By lilkajun, February 5
    • 3 replies
    • 167 views
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    • Big Whiskey
    • February 10

14. Fog light option for WT

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    By Revspan, February 25, 2018
    • 17 replies
    • 1,473 views
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    • greatmizzou
    • February 10

15. OEM 16-17 LED Headlights Added

    By jerseytaylor, February 5
    • 3 replies
    • 190 views
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    • dmax_ty
    • February 9

16. Replacing roof Led lights on 2018 Sierra 3500 HD

    By Chuckulnaskit76, February 7
    • 1 reply
    • 141 views
    • 
    • EXSlider400
    • February 8

17. Black Lugs

    By Bigshu, February 6
    • 3 replies
    • 160 views
    • 
    • Sierra Dan
    • February 6

18. Air Horns!

    By hurrey, February 5
    • 3 replies
    • 139 views
    • 
    • Chevyguy85
    • February 6

19. Jerseytaylor Build 6.0 Build Progress

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    By jerseytaylor, November 12, 2018
    • 22 replies
    • 1,270 views
    • 
    • jerseytaylor
    • February 5

20. Kleinn Train Horns - Kit GMHD-734, Install and Review on 2017 Denali HD

    By andym22, February 2   

    • kleinnairhorns tooloudtoobad, gmhd-734
    • 4 replies
    • 178 views
    • 
    • j-ten-ner
    • February 2

21. Those with the RC 3.5" No Cut "Lift" Kit

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    By CuzznVinny, May 16, 2017
    • 49 replies
    • 9,795 views
    • 
    • Dersch
    • February 1

22. Amber Side Marker running lights led

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    By EXSlider400, May 28, 2018   

    • running board lights
    • 23 replies
    • 1,791 views
    • 
    • EXSlider400
    • January 31

23. L5P Hood Scoop Lighting Duramax

    By EXSlider400, January 12   

    • 2017
    • 2018
    • (and 3 more)

      Tagged with:

      • 2017
      • 2018
      • 2019
      • ram air light
      • led
    • 2 replies
    • 340 views
    • 
    • EXSlider400
    • January 31

24. Re-gear and Detroit Locker in a 2017 2500HD 6 Liter

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    By SierraHD17, December 22, 2017
    • 111 replies
    • 6,455 views
    • 
    • ITS_CLN
    • January 30

25. 2017 GMC Sierra 3500 Denali with 1500 LED lights

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    By zmnypit, February 15, 2017
    • 21 replies
    • 8,466 views
    • 
    • zmnypit
    • January 29