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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  10. Craig
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  11. Black_shadow2010
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  12. Blackout
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  13. Blue 04 Z71
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  14. bagged00
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  15. Black_shadow2010
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  16. JennaBear
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  18. Chevy*808*
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  19. Blue97
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  20. Fairclough
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  21. iceman71
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  22. Slow05CC
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  23. Reit38
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  24. Blackout
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  25. 4:30
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  26. 4:30
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  27. JennaBear
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  28. Slow05CC
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