2019-2025 Silverado & Sierra Engine & Transmission (L3B/L82/L84/L87/LM2/LZ0)

1,040 topics in this forum

1. Problems with Parts Delivery

   By Dan Southworth, July 24, 2020
   • 3 replies
   • 753 views
   • 
   • swervin36
   • July 24, 2020

3. 2020 factory duals exhaust offset

   By Chips, July 22, 2020
   • 1 reply
   • 706 views
   • 
   • Chips
   • July 22, 2020

4. Double Post. Delete.

   By Chips, July 22, 2020
   • 0 replies
   • 927 views
   • 
   • Chips
   • July 22, 2020

5. Corsa muffler

   By Jared Walters, July 20, 2020
   • 0 replies
   • 550 views
   • 
   • Jared Walters
   • July 20, 2020

6. Catalytic converters

   By Skyboogie87, July 17, 2020
   • 4 replies
   • 660 views
   • 
   • Skyboogie87
   • July 20, 2020

7. New muffler or cat back?

   By derek_05_07, July 13, 2020
   • 5 replies
   • 1.3k views
   • 
   • Stephen L. Pannell
   • July 19, 2020

8. 2020 4WD Denali lowering shackle issues

   By tuckin22, June 28, 2020
   • 2 replies
   • 1.1k views
   • 
   • Car Dude
   • July 17, 2020

9. 5.3 vs 3.0 1 2 3

   By Bulldog4xFour, December 26, 2018
   • 44 replies
   • 24.9k views
   • 
   • mdreynolds
   • July 16, 2020

10. Need some advice

    By Myko50, July 10, 2020
    • 4 replies
    • 596 views
    • 
    • redwngr
    • July 14, 2020

11. Muffler/axleback instead of catback?

    By Mikedfw, July 12, 2020
    • 0 replies
    • 443 views
    • 
    • Mikedfw
    • July 12, 2020

12. Rough Country CatBack

    By psk256, June 23, 2020
    • 7 replies
    • 8.1k views
    • 
    • 19AT4
    • July 11, 2020

13. Upgraded UCA's with stock wheels

    By 19AT4, July 10, 2020
    • 2 replies
    • 1k views
    • 
    • 19AT4
    • July 11, 2020

14. Blown Ball Joint - Leveling Kit

    By That1Silverado, June 30, 2020
    • 4 replies
    • 2.3k views
    • 
    • Puffer4tw
    • July 2, 2020

15. Straight pipe Popcorn popping at 5mph

    By DenaliRich, June 26, 2020
    • 5 replies
    • 1.2k views
    • 
    • chadman
    • June 30, 2020

16. Corsa Exhaust 1 2

    By cbacarisse, February 28, 2020
    • 23 replies
    • 5.5k views
    • 
    • xsquid
    • June 28, 2020

17. Oil Pressure and Dipstick Reading

    By Pappy58, June 27, 2020
    • 2 replies
    • 1.3k views
    • 
    • CamGTP
    • June 27, 2020

18. 3.0 Duramax block heater plug?

    By Pswa320, May 7, 2020
    • 11 replies
    • 30.9k views
    • 
    • Jcollette33
    • June 24, 2020

19. 6.2 owner consider 3.0 duramax, need inout 1 2

    By truckguy82, May 19, 2020
    • 28 replies
    • 12.4k views
    • 
    • Phatty
    • June 24, 2020

20. Apollo GT Series 3" 409 Stainless Steel Muffler Upgrade 1 2

    By curly, February 29, 2020
    • 16 replies
    • 10.6k views
    • 
    • EricTheRed
    • June 20, 2020

21. An occasional screech 1 min after starting

    By Cow Chi, June 18, 2020
    • 0 replies
    • 583 views
    • 
    • Cow Chi
    • June 18, 2020

22. Afe 49-34101 Vulcan Series

    By NewfieZ71, June 17, 2020
    • 1 reply
    • 1.7k views
    • 
    • Car Dude
    • June 17, 2020

23. Flow master or Borland?

    By Jfusco20, May 26, 2020
    • 4 replies
    • 1.4k views
    • 
    • CS25
    • June 17, 2020

24. Muffler Replace Feeling Dumb

    By papasink, June 11, 2020
    • 3 replies
    • 1.3k views
    • 
    • AJMBLAZER
    • June 15, 2020

25. Stainless Works exhaust

    By Moloc325, December 4, 2019
    • 4 replies
    • 2.5k views
    • 
    • newdude
    • June 15, 2020

26. Headers 1 2

    By 570590, May 12, 2020
    • 19 replies
    • 11.9k views
    • 
    • langston1726
    • June 14, 2020