Modifications & Accessories

1,140 topics in this forum

1. Additional bed lighting

   By jwc10400, May 1, 2018   

   • lighting
   • 8 replies
   • 1.7k views
   • 
   • sk
   • May 3, 2018

2. Lower Grill and Block heater plug mount

   By rft, September 9, 2018
   • 8 replies
   • 12.7k views
   • 
   • DMAXNAZ
   • September 10, 2018

3. led light bar come on when high beam is activated

   By dads_son2015, February 4, 2016   

   • high beam wire color
   • 8 replies
   • 12.5k views
   • 
   • bersh
   • February 16, 2016

4. Another grill insert

   By John Dell, January 3, 2017
   • 8 replies
   • 3.5k views
   • 
   • DMAXNAZ
   • March 29, 2017

5. 4x4 Dash Indicator

   By paauto, May 24, 2018
   • 8 replies
   • 2.5k views
   • 
   • redwngr
   • November 24, 2018

6. Light Bar Behind Grille

   By Skeld, April 23, 2018
   • 8 replies
   • 1.3k views
   • 
   • Skeld
   • April 23, 2018

7. 3m hood wrap!

   By alchrist3, February 24, 2017
   • 8 replies
   • 5.6k views
   • 
   • alchrist3
   • February 26, 2017

8. Looking for Fuel tank Toolbox combination

   By Debra in Cali, September 28, 2016
   • 8 replies
   • 6.8k views
   • 
   • audioworks04
   • December 9, 2016

9. Which shocks for rear of Truck HD2500

   By GMC4Zee, August 1, 2017
   • 8 replies
   • 1.3k views
   • 
   • GMC4Zee
   • August 2, 2017

10. New cap

    By cford716, May 14, 2017
    • 8 replies
    • 2.9k views
    • 
    • z71tx
    • August 12, 2018

11. Exhaust

    By CowboyRaces, January 20, 2018   

    • gmc
    • exhaust
    • 8 replies
    • 2.3k views
    • 
    • rocnrol
    • February 8, 2018

12. light bar behind the grille

    By alaskaguy2019, September 10, 2018
    • 8 replies
    • 24.9k views
    • 
    • rbrjr1
    • November 5, 2019

13. Bed lighting and brakes?

    By 2016HD, April 3, 2017
    • 8 replies
    • 1.5k views
    • 
    • bagged123
    • April 16, 2017

14. Parts for sale

    By Landkrshr17, June 28, 2019
    • 8 replies
    • 1.2k views
    • 
    • Landkrshr17
    • July 7, 2019

15. Sumo Spring Owners...Question

    By Buckshot556, January 3, 2018
    • 8 replies
    • 4.2k views
    • 
    • Buckshot556
    • January 11, 2018

16. Dual or Auxiliary Battery using Blue Sea Systems ML-ACR

    By RyF, June 7, 2019   

    • tp2
    • dual battery
    • (and 2 more)

      Tagged with:

      • tp2
      • dual battery
      • auxiliary
      • ml-acr
    • 8 replies
    • 8.1k views
    • 
    • RyF
    • June 7, 2019

17. How much improvement can I get from just new bulbs?

    By boynton6spd, November 5, 2018   

    • headlights
    • 8 replies
    • 1.6k views
    • 
    • Chebbyfan
    • November 16, 2018

18. All terrain LED tailight assembly swap

    By GMC4Zee, March 3, 2017   

    • taillight
    • 8 replies
    • 1.5k views
    • 
    • zmnypit
    • March 6, 2017

19. S&B Cold air Intake for Duramax L5P

    By Irving, February 20, 2020   

    • s&b intake cai
    • duramax
    • (and 1 more)

      Tagged with:

      • s&b intake cai
      • duramax
      • l5p
    • 8 replies
    • 15.6k views
    • 
    • davester
    • November 10, 2025

20. Installing OEM Cab roof lights?

    By Cashflow, November 13, 2017
    • 8 replies
    • 24.9k views
    • 
    • CuzznVinny
    • April 14, 2018

21. LED swap - ‘18 2500

    By TheMekanik, February 21, 2018
    • 8 replies
    • 2.9k views
    • 
    • TheMekanik
    • February 22, 2018

22. 2016 tow mirrors

    By Jec8563, August 11, 2016
    • 8 replies
    • 2.2k views
    • 
    • jvbronco
    • October 1, 2016

23. The 2015 hd is done!!

    By alchrist3, July 16, 2018
    • 8 replies
    • 1.9k views
    • 
    • gearheadesw
    • July 23, 2018

24. Full Delete mechanics

    By Pipeliner89, July 10, 2019   

    • chevrolet
    • chevy
    • (and 1 more)

      Tagged with:

      • chevrolet
      • chevy
      • gmc
    • 8 replies
    • 7.1k views
    • 
    • zmnypit
    • August 2, 2019

25. cold air intake for 2016 silverado 2500HD

    By Big_Bertha_2016_2500HD, September 30, 2016
    • 8 replies
    • 4.3k views
    • 
    • RM3851
    • December 9, 2016