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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 03:07 PM
    • Replies: 7
    • Views: 11,777
    10-25-2007, 10:51 AM Go to last post
  1. 2020 Exhaust System

    Started by SoTxPollock, 09-30-2020 09:08 AM
    • Replies: 1
    • Views: 101
    09-30-2020, 10:42 AM Go to last post
  2. Help with $$$$ Build

    Started by Trooper007, 05-24-2020 03:05 AM
    • Replies: 4
    • Views: 682
    06-30-2020, 08:55 AM Go to last post
  3. Duramax vs GM

    Started by Usha, 12-13-2018 02:30 AM
    • Replies: 3
    • Views: 2,390
    12-13-2018, 10:54 AM Go to last post
  4. Diesel Fuel Additives

    Started by billferg, 01-13-2010 10:21 AM
    • Replies: 18
    • Views: 8,858
    11-16-2018, 02:58 AM Go to last post
  5. deciding between 4 or 5 inch exhaust

    Started by lmholmes11, 09-27-2012 06:20 AM
    • Replies: 8
    • Views: 27,639
    02-21-2018, 11:36 AM Go to last post
  6. 2008 gmc 2500hd exhaust

    Started by max30x72003, 09-25-2016 07:37 AM
    • Replies: 1
    • Views: 4,217
    10-03-2016, 06:15 AM Go to last post
  7. Need help

    Started by Mike's Big Denali, 09-03-2015 10:23 PM
    mad man
    • Replies: 3
    • Views: 6,136
    05-02-2016, 12:27 PM Go to last post
  8. Unhappy 2003 LB7 KD Mega Filter

    Started by PoppaWilley, 07-11-2012 08:25 PM
    • Replies: 11
    • Views: 14,754
    03-30-2015, 07:09 AM Go to last post
  9. Performance Chip

    Started by Randy822, 03-03-2015 04:44 PM
    • Replies: 6
    • Views: 4,938
    03-04-2015, 12:01 PM Go to last post
  10. 6 blown turbos 84,000 miles

    Started by pat, 01-16-2015 07:58 PM
    • Replies: 2
    • Views: 4,602
    01-17-2015, 12:12 AM Go to last post
  11. Pyro Gauge Not Reading

    Started by richp, 08-03-2014 01:36 PM
    • Replies: 1
    • Views: 5,595
    08-12-2014, 06:43 AM Go to last post
  12. traction bars

    Started by maverick_935, 01-21-2012 01:36 PM
    • Replies: 8
    • Views: 10,100
    07-30-2014, 02:05 PM Go to last post
  13. Tytd diesel

    Started by THernandez, 07-23-2014 12:47 PM
    • Replies: 5
    • Views: 5,016
    07-24-2014, 08:19 AM Go to last post
  14. LB7 performance

    Started by sderuntz, 04-24-2014 03:38 PM
    • Replies: 2
    • Views: 5,091
    04-26-2014, 10:30 PM Go to last post
  15. 05 LLY upgrades

    Started by Snowbound98, 12-11-2013 02:09 AM
    • Replies: 2
    • Views: 7,340
    12-11-2013, 02:16 AM Go to last post
  16. What are drivability issues?

    Started by DChristie, 06-17-2013 12:00 PM
    chip, drivability, edge juice, tune
    • Replies: 3
    • Views: 6,808
    08-20-2013, 10:43 AM Go to last post
  17. H&S Tuner on my 2013 Duramax

    Started by ceide4489, 06-07-2013 10:05 PM
    • Replies: 2
    • Views: 7,169
    06-09-2013, 09:14 AM Go to last post
  18. Trans Problems when Towing

    Started by Aepozzi, 08-05-2012 10:03 PM
    2 Pages
    1 2
    • Replies: 24
    • Views: 19,367
    02-14-2013, 09:18 AM Go to last post
  19. LB7:ECM will not accept tune - Wiring Harness?

    Started by dlowman, 05-08-2012 08:09 AM
    • Replies: 5
    • Views: 11,422
    06-21-2012, 01:55 PM Go to last post
  20. Just got back

    Started by gimpyhauler, 06-03-2012 03:28 PM
    • Replies: 2
    • Views: 5,600
    06-03-2012, 06:40 PM Go to last post

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