Performance

Want to free up some HP? Looking at headers, shift kits, superchargers, etc? Ask your performance related questions here! Check out the Duramax subforum for all Duramax related questions!

  1. Duramax

    Discuss any and every Duramax platform, general questions and modifications!
    Discussions:
    4
    Messages:
    90
    Latest: Wtb duramax DaJokr, Jul 21, 2014
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  3. 2005_Silverado
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  4. Da_Rebel
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  5. 2005_Silverado
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  6. bgray
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  9. Blackout
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  10. Smith
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  11. Blue 04 Z71
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  12. bagged00
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  13. Black_shadow2010
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    204
  14. JennaBear
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  15. redbug57
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  16. Chevy*808*
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  17. Blue97
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  18. Fairclough
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  19. iceman71
    Replies:
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    843
  20. Slow05CC
    Replies:
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    436
  21. Reit38
    Replies:
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  22. Blackout
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  23. 4:30
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  24. 4:30
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  25. JennaBear
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  26. Slow05CC
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    633
  27. bu1ldv8
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  28. Walterbell910
    Replies:
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    Views:
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