Engine and Performance

Ask any questions about performance here. Talk about your performance mods, specs and numbers.

Sponsored By: Moe's Performance
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  1. ramhunter9

    Cummins Performance Section

    ramhunter9, Sep 7, 2012
    Replies:
    2
    Views:
    3,830
    quietpeen
    Sep 8, 2012
  1. 2batruck

    Straight pipe vs twister flo pro

    2batruck, Jul 24, 2019
    Replies:
    2
    Views:
    277
    Dennis Shellito
    Aug 12, 2019
  2. Txkenpo

    New 6.7 owner

    Txkenpo, Aug 11, 2019
    Replies:
    2
    Views:
    202
    MADDOG
    Aug 11, 2019
  3. DCD3500

    Cummings Performance Variation based on Transmission

    DCD3500, Jul 27, 2019
    Replies:
    2
    Views:
    290
    BossHogg
    Aug 7, 2019
  4. 2batruck

    Flo pro or MBRP exhaust

    2batruck, Jul 9, 2019
    Replies:
    2
    Views:
    358
    DodgeDude99
    Jul 26, 2019
  5. tungstang

    New to the Cummins

    tungstang, Jul 19, 2019
    Replies:
    3
    Views:
    378
    tungstang
    Jul 21, 2019
  6. JMod45

    Where to start for performance upgrades?

    JMod45, Jun 28, 2019
    Replies:
    5
    Views:
    715
    BWC
    Jul 8, 2019
  7. melman

    dpf/code p2262/turbo

    melman, Jul 3, 2019 ... 2
    Replies:
    10
    Views:
    849
    Power247
    Jul 7, 2019
  8. 2batruck

    New exhaust

    2batruck, Jun 16, 2019
    Replies:
    7
    Views:
    554
    2batruck
    Jul 7, 2019
  9. Garrett Moffitt

    6.7 Cummins; 5k Rev limit

    Garrett Moffitt, Jun 13, 2019
    Replies:
    2
    Views:
    541
    BWC
    Jun 20, 2019
  10. 2batruck

    3500 bulky dog

    2batruck, Jun 14, 2019
    Replies:
    0
    Views:
    376
    2batruck
    Jun 14, 2019
  11. Leebo

    Def usage

    Leebo, May 23, 2017 ... 2
    Replies:
    11
    Views:
    3,500
    JMod45
    Jun 13, 2019
  12. Flat black

    Putting a big exhaust tip on my cummins does it help sound?

    Flat black, May 28, 2019
    Replies:
    2
    Views:
    652
    Flat black
    May 28, 2019
  13. Baggyp

    DPF Delete exhaust question

    Baggyp, Apr 8, 2019
    Replies:
    4
    Views:
    1,088
    timpaine1
    May 23, 2019
  14. moparsigfan

    Hardway Compound Turbo Kit

    moparsigfan, Feb 27, 2018
    Replies:
    2
    Views:
    1,225
    nolafishr
    May 10, 2019
  15. fxnytro17

    6.7l with Bullydog tune

    fxnytro17, May 2, 2019
    Replies:
    5
    Views:
    984
    fxnytro17
    May 4, 2019
  16. SyN

    Air Intake - Plastic/Foam Obstruction

    SyN, Nov 24, 2018 ... 2
    Replies:
    10
    Views:
    2,643
    SyN
    May 3, 2019
  17. Jedi

    MPG

    Jedi, Nov 9, 2018 ... 2
    Replies:
    12
    Views:
    3,170
    crash68
    Apr 26, 2019
  18. quakakeboy

    Truck Edition Performance Module

    quakakeboy, Mar 24, 2019
    Replies:
    0
    Views:
    673
    quakakeboy
    Mar 24, 2019
  19. Jordan Ram 3500

    6.7L losing Boost and exhaust brake.

    Jordan Ram 3500, Feb 27, 2019
    Replies:
    8
    Views:
    1,552
    mtnrider
    Mar 1, 2019
  20. Red_12v

    My 12v leaks oil

    Red_12v, Mar 6, 2017
    Replies:
    4
    Views:
    1,324
    crash68
    Feb 20, 2019
  21. oluhm

    Cooling fan

    oluhm, Aug 26, 2018
    Replies:
    1
    Views:
    889
    Dennis Shellito
    Feb 10, 2019
  22. Dylanjamesbrown

    What do I need?

    Dylanjamesbrown, Jun 4, 2017
    Replies:
    4
    Views:
    1,856
    bigbuck92
    Dec 26, 2018
  23. Blkhammer

    Differential cover question

    Blkhammer, Nov 15, 2018 ... 2
    Replies:
    11
    Views:
    1,504
    SyN
    Dec 14, 2018
  24. Erikk

    Diagnostic Question: 16 6.7

    Erikk, Nov 28, 2018
    Replies:
    0
    Views:
    420
    Erikk
    Nov 28, 2018
  25. Dougsign

    Incorrect def detected contact dealer

    Dougsign, Mar 29, 2017
    Replies:
    6
    Views:
    5,467
    hoe...
    Nov 20, 2018
Showing threads 1 to 25 of 164

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