Engines & Drivetrain (V8, Duramax, TurboMax)

1,141 topics in this forum

1. Muffler Replace Feeling Dumb

   By papasink, June 11, 2020
   • 3 replies
   • 1.6k views
   • 
   • AJMBLAZER
   • June 15, 2020

2. Stainless Works exhaust

   By Moloc325, December 4, 2019
   • 4 replies
   • 3.6k views
   • 
   • newdude
   • June 15, 2020

3. Headers 1 2

   By 570590, May 12, 2020
   • 19 replies
   • 20.3k views
   • 
   • langston1726
   • June 14, 2020

4. Anyone Tried Magnaflow 19491 (6.2 V8 w/ DFM)?

   By EricTheRed, June 13, 2020
   • 0 replies
   • 1.6k views
   • 
   • EricTheRed
   • June 13, 2020

5. Will upgrading exhaust & air intake void warranty?

   By burns197, June 11, 2020
   • 2 replies
   • 3k views
   • 
   • Gerstein1989
   • June 13, 2020

6. Probably shouldn’t have cut the muffler and flapper off

   By romeactual, April 17, 2020   

   • exhaust
   • 5 replies
   • 13k views
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   • SquireSCA
   • June 11, 2020

7. 2020 3L turbo lag

   By cbprov, June 8, 2020
   • 3 replies
   • 2.9k views
   • 
   • ullose272
   • June 9, 2020

8. DIESEL OFF-ROAD PACKAGE

   By jpaperguy, June 4, 2020
   • 4 replies
   • 1.8k views
   • 
   • ullose272
   • June 6, 2020

9. 2020 Trail Boss LT 5.3 L --> COLD AIR INTAKE RECOMMENDATIONS.

   By EXPLOID786, May 31, 2020
   • 3 replies
   • 2.8k views
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   • tinbad
   • June 3, 2020

10. Tow haul usage

    By PBANDJ, June 3, 2020
    • 0 replies
    • 739 views
    • 
    • PBANDJ
    • June 3, 2020

11. Reviewed: Roto-Fab Cold Air Intake For 2019+ Silverado/Sierra

    By Roto-fab, March 4, 2020
    • 5 replies
    • 2.3k views
    • 
    • Jmonty
    • June 3, 2020

12. Front Differential (SU4) Diagram

    By RAYS B4U, May 20, 2020
    • 5 replies
    • 6.9k views
    • 
    • RAYS B4U
    • May 31, 2020

13. Brand new Sierra 5.3 CEL flashing

    By Andyh1, May 28, 2020
    • 2 replies
    • 887 views
    • 
    • derek_05_07
    • May 29, 2020

14. Where is your go-to place for exhaust purchase? Borla 1 2

    By Libertas, February 5, 2020
    • 23 replies
    • 4.4k views
    • 
    • JAEDEE
    • May 28, 2020

15. 2019 Silverado RST 8 speed automatic transmission 1 2 3

    By Jethroy Potter, September 4, 2019
    • 37 replies
    • 38.3k views
    • 
    • code-man26
    • May 20, 2020

16. 4.3 Dyno test?

    By Cesar Ramirez, April 6, 2020
    • 12 replies
    • 3.4k views
    • 
    • Kableguy
    • May 14, 2020

17. ProCharger 2020-2019 CHEVY/GMC Supercharger Kits Shipping Now

    By ArcherMP, April 16, 2020
    • 12 replies
    • 3.5k views
    • 
    • TRKLGND
    • May 12, 2020

18. '19 5.3l exhaust pipe size, muffler suggestions? 1 2

    By Donnyb313, April 10, 2019
    • 19 replies
    • 57k views
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    • crazyjoefound
    • May 4, 2020

19. Best 6.2 L fule? 1 2

    By scottrbeam, April 22, 2020
    • 24 replies
    • 5.5k views
    • 
    • Cpl_Punishment
    • May 2, 2020

20. 10L80 10-Speed Transmission Torque Limit?

    By INTJ, April 18, 2020
    • 10 replies
    • 18.2k views
    • 
    • BlancoSilverado
    • May 1, 2020

21. GM L96 6.0L gasoline "Engine Inertia"

    By Sined, April 29, 2020
    • 2 replies
    • 1k views
    • 
    • Gangly
    • April 30, 2020

22. Oil cooler line rupture

    By K.A.M, April 22, 2020
    • 5 replies
    • 9.9k views
    • 
    • 175vTrailbossLT
    • April 29, 2020

23. Question bout RPM's

    By Donnie Summers, April 28, 2020
    • 4 replies
    • 2.1k views
    • 
    • redwngr
    • April 28, 2020

24. My feedback on the Silverado/Sierra 2.7L versus Ford F-150 2.7L

    By Nervouswater, March 27, 2020
    • 2 replies
    • 1.9k views
    • 
    • Ricomtzjr
    • April 27, 2020

25. 2019 Gmc elevation 6 speed Offset wheels vs spacers

    By Cody H, April 26, 2020
    • 3 replies
    • 3.3k views
    • 
    • Memphis87
    • April 26, 2020