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2014-2019 Engine, Driveline, & Exhaust

Technical Discussion surrounding the 5th generation of small block engines, driveline, 6/8/10 speed transmissions, and slew of factory and performance exhausts.
Includes direct injection, active fuel management, and the EcoTec3 4.3L V6 (LV3), 5.3L V8 (L83), 6.2L V8 (L86), and LB8 eAssist gas engines.

2,618 topics in this forum

  1. 2014+ AFM (Active Fuel Management) 1 2 3 4 36

    By Ron.s,
    • 535 replies
    • 264.1k views

  3. 2014+ Engine & Transmission Tuning 1 2 3 4 72

    By pendragon,   
    • 1.1k replies
    • 426.6k views

  4. 2014+ Exhaust Systems & Mufflers 1 2 3 4 204

    By Escalade1979,
    • 3k replies
    • 791.1k views

  5. 2014+ Gas Mileage (MPG) Topic 1 2 3 4 104

    By BringTheRain403,
    • 1.6k replies
    • 438.1k views

  6. 2014+ Intakes (CAI) & Air Filters 1 2 3 4 62

    By GMC-AT,
    • 915 replies
    • 359.5k views

  7. 2017 6.0 Intake part identification, For the love of God

    By EZTundra77,   
    • 7 replies
    • 631 views

  8. -1 dynomax 1 2

    By Back in a Bowtie,
    • 24 replies
    • 2.7k views

  9. ? On t.s.b bulletin

    By Scott1212,
    • 9 replies
    • 4.4k views

  10. . Question about GM Performance Cat back system

    By ringbuster,
    • 7 replies
    • 1.1k views

  11. '15 1500 Gear swap

    By Lance Bowman,
    • 14 replies
    • 1.2k views

  12. '15 6.2 8 speed tune

    By Stoddard,
    • 6 replies
    • 1.8k views

  13. '15 6.2 Air Cleaner Removable Inlet Cover 1 2 3

    By Stoddard,
    • 31 replies
    • 6k views

  14. '15 6.2 Performance 1 2

    By Stoddard,
    • 16 replies
    • 3.9k views

  15. '15 Silverado - M and Tow/Haul Modes NOT locking out AFM 1 2

    By Potts,
    • 16 replies
    • 13.2k views

  16. '17 - '18 "Tuner" advice??? 1 2

    By b00001,
    • 28 replies
    • 2.5k views

  17. '17 5.3 w/catback and cold air return tuning

    By RTerrill,
    • 1 reply
    • 383 views

  18. '19 Suburban Temp Screens

    By Timd32,   
    • 3 replies
    • 422 views

  19. “Lifetime warranty” Exhaust

    By Determined,   
    • 6 replies
    • 1.9k views

  20. (RE: AFM) Time it is in either configuration?

    By Ubiquity,
    • 2 replies
    • 282 views

  21. (Y-pipe ONLY) With stock headers and exhaust

    By Deadly_angel,
    • 3 replies
    • 1.3k views

  22. **Can't find my manual 2016 5.3 oil capacity**

    By arkenzo,
    • 14 replies
    • 73.6k views

  23. *4.3 engine replacement*

    By Robert9473,   
    • 4 replies
    • 3.8k views

  24. $150 rebate off of Corsa exhaust 11/1 - 12/31/18

    By 2018GMC,
    • 1 reply
    • 581 views

  25. $970 Borla Paper Weight 1 2

    By reardiff,
    • 19 replies
    • 2.5k views

  26. 0 to 60 mph vids of the 2014 6.2l; and 5.3l as well as the competition

    By Boombastic,
    • 3 replies
    • 2k views


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