Modifications & Accessories

1,140 topics in this forum

1. 2019 2500HD gas mileage... 1 2

   By Swerve-n-protect, July 16, 2019
   • 23 replies
   • 11.4k views
   • 
   • captadamnj
   • October 17, 2019

2. Bed Step for 2015 Silverado 2500HD 1 2

   By cjackg, May 12, 2014
   • 23 replies
   • 12.4k views
   • 
   • Kenny2
   • December 3, 2016

3. Leveling Kit Gone Bad? 1 2

   By Riggin’, June 9, 2019   

   • torsion keys
   • leveling kit
   • (and 1 more)

     Tagged with:

     • torsion keys
     • leveling kit
     • upper control arms
   • 23 replies
   • 33.1k views
   • 
   • Woz
   • December 6, 2019

4. Transmission Cooler Upgrade 1 2

   By elgavilan123, July 15, 2020
   • 23 replies
   • 32.7k views
   • 
   • davester
   • September 20, 2023

5. Splash Guards - Mud Flaps 1 2

   By humblewarrior, September 4, 2014   

   • splash guards - mud flaps
   • 23 replies
   • 18.2k views
   • 
   • ickyoldman
   • March 3, 2017

6. Front Valance (Air Dam) Trim vs Removal 1 2

   By RyF, October 31, 2018
   • 23 replies
   • 90.3k views
   • 
   • Sean006
   • May 11, 2019

7. 2015 3500 HD Stock Replacement Tires 1 2

   By dodge stomper, October 24, 2021
   • 23 replies
   • 3.8k views
   • 
   • CamGTP
   • January 3, 2022

8. Another set of 295/70R18 installed on 2015 1 2

   By brad519, December 30, 2014
   • 23 replies
   • 31k views
   • 
   • rocnrol
   • November 6, 2016

9. Going Led Crazy 1 2

   By redtazdog, March 29, 2015
   • 23 replies
   • 8.6k views
   • 
   • avalonandl
   • January 11, 2018

10. 2018 2500HD Headlights 1 2

    By Jsmithnapa, August 2, 2018   

    • hid,led,2500hd,duramax,silverado,headlights,bulbs,z71,ltz,2018,yellow
    • 22 replies
    • 64.8k views
    • 
    • Heavy Chevy 2.0
    • September 4, 2019

11. Fox adventure series shocks 1 2

    By 4wdriver, December 24, 2017
    • 22 replies
    • 9.6k views
    • 
    • GMC4Zee
    • June 3, 2019

12. HAM radio install. 1 2

    By spiritwalker, March 29, 2018
    • 22 replies
    • 29.9k views
    • 
    • DMPD-Retired
    • July 7, 2020

13. HID in Silverado HD questions/issues? 1 2

    By clark grizwald, September 22, 2016
    • 22 replies
    • 3.7k views
    • 
    • revrnd
    • December 21, 2016

14. Rough Country 3.5” Lift??? 1 2

    By Ranger2014, March 16, 2019
    • 22 replies
    • 8.2k views
    • 
    • SierraHD17
    • April 2, 2019

15. 2017 GMC Sierra 3500 Denali with 1500 LED lights 1 2

    By zmnypit, February 15, 2017
    • 22 replies
    • 25.4k views
    • 
    • Blackpolarbear
    • October 7, 2020

16. Thoughts on Clear Bra Install 1 2

    By demar002, July 12, 2017
    • 22 replies
    • 10.5k views
    • 
    • Bhurt
    • May 12, 2018

17. 2500HD mod questions/suggestions 1 2

    By brad519, November 29, 2014
    • 21 replies
    • 14.4k views
    • 
    • infinitmike
    • October 18, 2015

18. Morimoto LED Fogs 1 2

    By calgator73, December 28, 2016
    • 21 replies
    • 7.3k views
    • 
    • GMC4Zee
    • March 7, 2017

19. 2500 crew 4x4, 6.0, 35” Tires what is normal MPG? 1 2

    By Plumber101010, December 23, 2019   

    • MPG
    • 21 replies
    • 21.3k views
    • 
    • Big Whiskey
    • May 9, 2020

20. Level/Wheel/Tire... Help!! 1 2

    By Markdlee, December 29, 2017
    • 21 replies
    • 6k views
    • 
    • jwc10400
    • June 25, 2018

21. 3.5" TC lift want to use stock rims and 325/60/20 1 2

    By knobkrick, August 4, 2016
    • 21 replies
    • 13.1k views
    • 
    • knobkrick
    • August 28, 2016

22. Too Hot for my Liking 1 2

    By Biggerdogg01, March 30, 2018
    • 21 replies
    • 3.6k views
    • 
    • ewbldavis
    • August 21, 2018

23. 8 lug custom wheels - lets see some pictures 1 2

    By trx680, January 17, 2017
    • 21 replies
    • 12.3k views
    • 
    • gearheadesw
    • July 22, 2020

24. front bumper license plate bracket 1 2

    By eurobound, March 5, 2017
    • 21 replies
    • 52.9k views
    • 
    • Thankful
    • April 28, 2018

25. Chevrolet bow tie on a GMC DENALI 1 2

    By Nico Maniadakis, April 5, 2015
    • 20 replies
    • 4.5k views
    • 
    • Nico Maniadakis
    • February 22, 2016