Performance

Engine mods, Chips, Filters, etc.

Sponsored By: Black Bear Performance
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  1.    
  2. wheatswake

    the real story on spark plug wires

    wheatswake, May 8, 2010 ... 3 4 5
    Replies:
    43
    Views:
    52,029
    avalonandl
    Jul 9, 2019
  3. JennaBear

    Lower thermostats, really needed?

    JennaBear, Feb 26, 2013 ... 2 3
    Replies:
    24
    Views:
    11,334
    sickpup
    Feb 13, 2018
  4.    
  5. Goldie2007

    2007 Yukon Xl Denali (6.2) Resonator Delete ideas

    Goldie2007, Jul 31, 2019
    Replies:
    3
    Views:
    398
    Jeff Weatherford
    Oct 16, 2019 at 9:11 AM
  6. jrobie79

    Header Compatibility

    jrobie79, Oct 8, 2019
    Replies:
    4
    Views:
    199
    1BADI5
    Oct 14, 2019 at 7:59 PM
  7. swathdiver

    Useless Information

    swathdiver, Oct 10, 2017 ... 63 64 65
    Replies:
    644
    Views:
    33,057
    swathdiver
    Oct 12, 2019 at 1:57 PM
  8. Jeremy05

    Upgrades for better towing

    Jeremy05, Sep 29, 2019 ... 2
    Replies:
    11
    Views:
    546
    PNW VietVet
    Oct 12, 2019 at 11:59 AM
  9. 07hoeCHEVY

    Transmission

    07hoeCHEVY, Oct 8, 2019
    Replies:
    2
    Views:
    175
    Tonyrodz
    Oct 8, 2019
  10. JDopirak

    Went to the track

    JDopirak, Sep 11, 2019 ... 2 3
    Replies:
    27
    Views:
    1,391
    swathdiver
    Oct 3, 2019
  11. ftwflh

    MPG towing and not towing (if not in right section please move )

    ftwflh, Jul 4, 2019 ... 2
    Replies:
    19
    Views:
    1,031
    Foggy
    Sep 23, 2019
  12. Jolly Roger

    Antennas sticking outa my tires!

    Jolly Roger, Jul 10, 2019 ... 8 9 10
    Replies:
    97
    Views:
    3,657
    Rocket Man
    Sep 20, 2019
  13. badapag

    Best Sway Bars

    badapag, Oct 30, 2009 ... 2 3 4
    Replies:
    39
    Views:
    17,129
    Mickey_7106
    Sep 20, 2019
  14. donjetman

    LSXcalade Goes 9’s

    donjetman, Aug 8, 2019
    Replies:
    2
    Views:
    618
    randeez
    Sep 19, 2019
  15. Seamus

    Black bear tune anyone increase MPG???

    Seamus, Sep 11, 2019 ... 2 3
    Replies:
    21
    Views:
    1,772
    BlackBearPerf
    Sep 19, 2019
  16. HACK BLOCK

    Electric exhaust cut out questions

    HACK BLOCK, Sep 18, 2019
    Replies:
    7
    Views:
    254
    Joseph Garcia
    Sep 18, 2019
  17. JDopirak

    Pics of your dual exhaust

    JDopirak, Apr 19, 2019 ... 2
    Replies:
    16
    Views:
    2,615
    Bigjimmy
    Sep 16, 2019
  18. NORCAL SS

    Get a catch can before any mods.

    NORCAL SS, Mar 3, 2013 ... 68 69 70
    Replies:
    692
    Views:
    149,722
    RAMurphy
    Sep 16, 2019
  19. badandyturbo

    Installed Headers

    badandyturbo, Nov 13, 2017 ... 11 12 13
    Replies:
    124
    Views:
    15,321
    Rocket Man
    Aug 13, 2019
  20. 91RS

    Headers on a 6.2L with Stock Muffler/Cat-Back?

    91RS, Mar 27, 2019 ... 4 5 6
    Replies:
    53
    Views:
    5,220
    wjburken
    Aug 13, 2019
  21. kbuskill

    NGK 94567 Ruthenium HX ???

    kbuskill, Aug 4, 2019 ... 2
    Replies:
    16
    Views:
    996
    iamdub
    Aug 11, 2019
  22. wjburken

    HP Boost?

    wjburken, Aug 10, 2019
    Replies:
    4
    Views:
    556
    Rocket Man
    Aug 11, 2019
  23. donjetman

    Building A LS - Article

    donjetman, Aug 1, 2019
    Replies:
    2
    Views:
    394
    esoteric_ast
    Aug 1, 2019
  24. JDopirak

    Your dyno numbers?

    JDopirak, Jul 29, 2019
    Replies:
    4
    Views:
    397
    Mickey_7106
    Jul 30, 2019
  25. JDopirak

    Got my Yukon tuned today

    JDopirak, Jul 15, 2019 ... 2 3
    Replies:
    24
    Views:
    2,939
    JDopirak
    Jul 30, 2019
  26. nanali

    [+] Denali performance bad for me.

    nanali, Jul 24, 2019
    Replies:
    5
    Views:
    671
    Rocket Man
    Jul 27, 2019
  27. 07hoeCHEVY

    Pedal commander

    07hoeCHEVY, May 16, 2019 ... 2
    Replies:
    14
    Views:
    1,413
    BlackBearPerf
    Jul 24, 2019
  28. D_R_C

    Diy catch can install

    D_R_C, Apr 22, 2013 ... 9 10 11
    Replies:
    103
    Views:
    28,509
    BigBlueLB756
    Jul 18, 2019
  29. Jolly Roger

    Looney tunes

    Jolly Roger, Jul 9, 2019 ... 2 3 4
    Replies:
    39
    Views:
    1,200
    Jolly Roger
    Jul 18, 2019
  30. erichyukondoit

    Performance mod write ups?

    erichyukondoit, Mar 2, 2019
    Replies:
    7
    Views:
    1,458
    JDopirak
    Jul 15, 2019
  31. HACK BLOCK

    E85 + 87 = better than 93?

    HACK BLOCK, Jul 9, 2019 ... 2 3 4
    Replies:
    34
    Views:
    2,252
    HiHoeSilver
    Jul 11, 2019
  32. Awfiretto

    Superchips Flashpaq F5

    Awfiretto, May 15, 2019
    Replies:
    1
    Views:
    656
    Jolly Roger
    Jul 9, 2019
  33. Mickey_7106

    Brake bleed screws

    Mickey_7106, Jul 2, 2019
    Replies:
    5
    Views:
    308
    915_Tahoe
    Jul 4, 2019
  34. B2sdad

    07 Suburban BTR Stage 4 Truck cam idle

    B2sdad, Jun 10, 2019 ... 2
    Replies:
    12
    Views:
    1,253
    B2sdad
    Jun 19, 2019
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