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Forum: Duramax Diesel Performance Shop

What's it take to make big power? Tips on Duramax diesel performance products, improving fuel economy, power upgrades, exhaust systems, and programming. From a little to a lot, find out what it takes. Post a question or offer your advice.

  1. Arrow Sticky Thread Sticky: Magnuson-Moss Warranty Act

    Started by More Power, 08-13-2007 15:07
    • Replies: 7
    • Views: 18,815
    10-25-2007, 10:51 Go to last post
  1. DPF problem

    Started by bmoeller, 09-17-2023 23:19
    • Replies: 2
    • Views: 10,365
    12-19-2023, 11:20 Go to last post
  2. 2007 LBZ Tow Build

    Started by 2INSANE, 06-08-2022 05:12
    • Replies: 4
    • Views: 6,470
    06-17-2022, 12:33 Go to last post
  3. 2007 LBZ 4” or 5” exhaust?

    Started by 2INSANE, 04-11-2022 18:34
    • Replies: 3
    • Views: 4,957
    05-11-2022, 18:16 Go to last post
  4. 07 LBZ Banks Intake Install

    Started by 2INSANE, 01-27-2022 20:35
    • Replies: 3
    • Views: 4,967
    03-23-2022, 09:18 Go to last post
  5. Scan Tools

    Started by johnanc, 08-12-2021 00:19
    • Replies: 0
    • Views: 4,461
    08-12-2021, 00:19 Go to last post
  6. 2020 Exhaust System

    Started by SoTxPollock, 09-30-2020 09:08
    • Replies: 2
    • Views: 5,289
    05-31-2021, 05:27 Go to last post
  7. Help with $$$$ Build

    Started by Trooper007, 05-24-2020 03:05
    • Replies: 4
    • Views: 87,513
    06-30-2020, 08:55 Go to last post
  8. Duramax vs GM

    Started by Usha, 12-13-2018 02:30
    • Replies: 3
    • Views: 122,453
    12-13-2018, 10:54 Go to last post
  9. Diesel Fuel Additives

    Started by billferg, 01-13-2010 10:21
    • Replies: 18
    • Views: 21,866
    11-16-2018, 02:58 Go to last post
  10. deciding between 4 or 5 inch exhaust

    Started by lmholmes11, 09-27-2012 06:20
    • Replies: 8
    • Views: 39,516
    02-21-2018, 11:36 Go to last post
  11. 2008 gmc 2500hd exhaust

    Started by max30x72003, 09-25-2016 07:37
    • Replies: 1
    • Views: 9,782
    10-03-2016, 06:15 Go to last post
  12. Need help

    Started by Mike's Big Denali, 09-03-2015 22:23
    mad man
    • Replies: 3
    • Views: 12,136
    05-02-2016, 12:27 Go to last post
  13. Unhappy 2003 LB7 KD Mega Filter

    Started by PoppaWilley, 07-11-2012 20:25
    • Replies: 11
    • Views: 23,511
    03-30-2015, 07:09 Go to last post
  14. Performance Chip

    Started by Randy822, 03-03-2015 16:44
    • Replies: 6
    • Views: 11,338
    03-04-2015, 12:01 Go to last post
  15. 6 blown turbos 84,000 miles

    Started by pat, 01-16-2015 19:58
    • Replies: 2
    • Views: 10,003
    01-17-2015, 00:12 Go to last post
  16. Pyro Gauge Not Reading

    Started by richp, 08-03-2014 13:36
    • Replies: 1
    • Views: 10,767
    08-12-2014, 06:43 Go to last post
  17. traction bars

    Started by maverick_935, 01-21-2012 13:36
    • Replies: 8
    • Views: 18,464
    07-30-2014, 14:05 Go to last post
  18. Tytd diesel

    Started by THernandez, 07-23-2014 12:47
    • Replies: 5
    • Views: 11,604
    07-24-2014, 08:19 Go to last post
  19. LB7 performance

    Started by sderuntz, 04-24-2014 15:38
    • Replies: 2
    • Views: 10,676
    04-26-2014, 22:30 Go to last post
  20. 05 LLY upgrades

    Started by Snowbound98, 12-11-2013 02:09
    • Replies: 2
    • Views: 12,913
    12-11-2013, 02:16 Go to last post

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