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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: 12,327
    10-25-2007, 10:51 Go to last post
  1. Scan Tools

    Started by johnanc, 08-12-2021 00:19
    • Replies: 0
    • Views: 265
    08-12-2021, 00:19 Go to last post
  2. 2020 Exhaust System

    Started by SoTxPollock, 09-30-2020 09:08
    • Replies: 2
    • Views: 657
    05-31-2021, 05:27 Go to last post
  3. Help with $$$$ Build

    Started by Trooper007, 05-24-2020 03:05
    • Replies: 4
    • Views: 12,876
    06-30-2020, 08:55 Go to last post
  4. Duramax vs GM

    Started by Usha, 12-13-2018 02:30
    • Replies: 3
    • Views: 20,654
    12-13-2018, 10:54 Go to last post
  5. Diesel Fuel Additives

    Started by billferg, 01-13-2010 10:21
    • Replies: 18
    • Views: 10,055
    11-16-2018, 02:58 Go to last post
  6. deciding between 4 or 5 inch exhaust

    Started by lmholmes11, 09-27-2012 06:20
    • Replies: 8
    • Views: 28,804
    02-21-2018, 11:36 Go to last post
  7. 2008 gmc 2500hd exhaust

    Started by max30x72003, 09-25-2016 07:37
    • Replies: 1
    • Views: 4,580
    10-03-2016, 06:15 Go to last post
  8. Need help

    Started by Mike's Big Denali, 09-03-2015 22:23
    mad man
    • Replies: 3
    • Views: 6,529
    05-02-2016, 12:27 Go to last post
  9. Unhappy 2003 LB7 KD Mega Filter

    Started by PoppaWilley, 07-11-2012 20:25
    • Replies: 11
    • Views: 15,518
    03-30-2015, 07:09 Go to last post
  10. Performance Chip

    Started by Randy822, 03-03-2015 16:44
    • Replies: 6
    • Views: 5,417
    03-04-2015, 12:01 Go to last post
  11. 6 blown turbos 84,000 miles

    Started by pat, 01-16-2015 19:58
    • Replies: 2
    • Views: 4,950
    01-17-2015, 00:12 Go to last post
  12. Pyro Gauge Not Reading

    Started by richp, 08-03-2014 13:36
    • Replies: 1
    • Views: 5,939
    08-12-2014, 06:43 Go to last post
  13. traction bars

    Started by maverick_935, 01-21-2012 13:36
    • Replies: 8
    • Views: 10,882
    07-30-2014, 14:05 Go to last post
  14. Tytd diesel

    Started by THernandez, 07-23-2014 12:47
    • Replies: 5
    • Views: 5,480
    07-24-2014, 08:19 Go to last post
  15. LB7 performance

    Started by sderuntz, 04-24-2014 15:38
    • Replies: 2
    • Views: 5,460
    04-26-2014, 22:30 Go to last post
  16. 05 LLY upgrades

    Started by Snowbound98, 12-11-2013 02:09
    • Replies: 2
    • Views: 7,704
    12-11-2013, 02:16 Go to last post
  17. What are drivability issues?

    Started by DChristie, 06-17-2013 12:00
    chip, drivability, edge juice, tune
    • Replies: 3
    • Views: 7,198
    08-20-2013, 10:43 Go to last post
  18. H&S Tuner on my 2013 Duramax

    Started by ceide4489, 06-07-2013 22:05
    • Replies: 2
    • Views: 7,512
    06-09-2013, 09:14 Go to last post
  19. Trans Problems when Towing

    Started by Aepozzi, 08-05-2012 22:03
    2 Pages
    1 2
    • Replies: 24
    • Views: 20,752
    02-14-2013, 09:18 Go to last post
    • Replies: 5
    • Views: 12,116
    06-21-2012, 13:55 Go to last post

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