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

969 topics in this forum

1. 5.3L Borla ATAK

   By markyezy, July 16, 2019
   • 7 replies
   • 4.3k views
   • 
   • MacLaren
   • July 24, 2019

3. 2019 TrailBoss switches to 4wd on its own.

   By bigwig, July 17, 2019
   • 1 reply
   • 546 views
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   • Sin City Trail Boss
   • July 21, 2019

4. AT4 Air intake on the hood

   By BLACK AT4, April 3, 2019
   • 8 replies
   • 6.2k views
   • 
   • 88junior
   • July 21, 2019

5. Cut Off Resonators on a 6.2?

   By eppieguy, July 12, 2019
   • 9 replies
   • 3.9k views
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   • ShamrockShooter
   • July 21, 2019

6. Borla Quad Tip Exhaust for the Sierra/Silverado. Which tips do you prefer? 1 2

   By ian@borla, February 12, 2019
   • 18 replies
   • 16.2k views
   • 
   • PabloK
   • July 20, 2019

7. K&N Cold Air Intake Install Video

   By bearded_warrior, May 1, 2019   

   • k&n
   • cai
   • (and 1 more)

     Tagged with:

     • k&n
     • cai
     • cold air intake
   • 12 replies
   • 6.3k views
   • 
   • Mountain boy
   • July 20, 2019

8. 2019 silverado rough idling engine jerking

   By BLUE TRAIL BOSS, June 30, 2019   

   • rough idling
   • 4 replies
   • 4.7k views
   • 
   • BLUE TRAIL BOSS
   • July 19, 2019

9. Air intake

   By Wells1, July 4, 2019   

   • air intake
   • 6 replies
   • 3k views
   • 
   • Mountain boy
   • July 16, 2019

10. My T1 has no mesh screens

    By NorthernAT4, July 14, 2019
    • 5 replies
    • 838 views
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    • Silverado4x4
    • July 14, 2019

11. Anyone know pipe diameter after the Y on 6.2 exhaust

    By Robwcormack, July 11, 2019
    • 1 reply
    • 2.4k views
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    • Billet Bowtie
    • July 12, 2019

12. Slip On Muffler Replacement?

    By rhamill1, July 9, 2019
    • 7 replies
    • 1.2k views
    • 
    • Thejet07
    • July 10, 2019

13. Corsa Sport Cat Back vs Borla S-Type - 6.2L

    By Graytidefan, July 7, 2019
    • 0 replies
    • 1.2k views
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    • Graytidefan
    • July 7, 2019

14. replacing front brake pads on 2019

    By chris918, June 21, 2019
    • 7 replies
    • 20.4k views
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    • HondaHawkGT
    • June 25, 2019

15. Range Disabler for 2019's w/ DFM

    By 1972c10Custom, June 19, 2019
    • 11 replies
    • 2.8k views
    • 
    • brianc636
    • June 24, 2019

16. Exhaust help needed

    By Robwcormack, June 21, 2019
    • 4 replies
    • 1k views
    • 
    • Billet Bowtie
    • June 24, 2019

17. Transmission flush question.

    By SierraScreech, June 18, 2019
    • 5 replies
    • 904 views
    • 
    • SierraScreech
    • June 23, 2019

18. Corsa performance exhaust on my 6.2 CC standard bed

    By Black02Silverado, June 6, 2019
    • 11 replies
    • 3.3k views
    • 
    • bshort
    • June 15, 2019

19. Oil Catch Can O-Ring question.

    By SierraScreech, June 10, 2019
    • 0 replies
    • 425 views
    • 
    • SierraScreech
    • June 10, 2019

20. Custom TB Z71 1 complaint

    By K455, June 7, 2019
    • 1 reply
    • 742 views
    • 
    • Bikeman
    • June 8, 2019

21. 6.2L fuel

    By _CROW, June 2, 2019
    • 4 replies
    • 1.6k views
    • 
    • CamGTP
    • June 4, 2019

22. Replacement mufflers anyone?

    By Robwcormack, May 2, 2019
    • 6 replies
    • 1.2k views
    • 
    • ILSilverado
    • May 30, 2019

23. Transmission fluid check & refill procedure 2019 Trailboss LT?

    By SierraScreech, May 30, 2019
    • 3 replies
    • 20.7k views
    • 
    • carkhz316
    • May 30, 2019

24. Clunking noise

    By Lou0211, May 29, 2019
    • 0 replies
    • 1.6k views
    • 
    • Lou0211
    • May 29, 2019

25. Denali Ultimate 6.2 vibration

    By JeffK1, February 1, 2019
    • 14 replies
    • 8k views
    • 
    • CaptKev
    • May 21, 2019

26. RST with flowmaster turn down

    By Nola Sciko, May 1, 2019
    • 1 reply
    • 2.2k views
    • 
    • econometrics
    • May 3, 2019