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:
    50,505
    avalonandl
    Jul 9, 2019
  3. JennaBear

    Lower thermostats, really needed?

    JennaBear, Feb 26, 2013 ... 2 3
    Replies:
    24
    Views:
    10,946
    sickpup
    Feb 13, 2018
  4.    
  5. swathdiver

    Useless Information

    swathdiver, Oct 10, 2017 ... 61 62 63
    Replies:
    621
    Views:
    29,922
    DougAMiller
    Aug 17, 2019 at 6:47 PM
  6. NORCAL SS

    Get a catch can before any mods.

    NORCAL SS, Mar 3, 2013 ... 64 65 66
    Replies:
    653
    Views:
    142,835
    89Suburban
    Aug 17, 2019 at 5:43 PM
  7. badandyturbo

    Installed Headers

    badandyturbo, Nov 13, 2017 ... 11 12 13
    Replies:
    124
    Views:
    13,422
    Rocket Man
    Aug 13, 2019 at 11:59 PM
  8. 91RS

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

    91RS, Mar 27, 2019 ... 4 5 6
    Replies:
    53
    Views:
    3,962
    wjburken
    Aug 13, 2019 at 3:33 PM
  9. Jolly Roger

    Antennas sticking outa my tires!

    Jolly Roger, Jul 10, 2019 ... 7 8 9
    Replies:
    85
    Views:
    2,283
    Jolly Roger
    Aug 11, 2019
  10. kbuskill

    NGK 94567 Ruthenium HX ???

    kbuskill, Aug 4, 2019 ... 2
    Replies:
    16
    Views:
    437
    iamdub
    Aug 11, 2019
  11. wjburken

    HP Boost?

    wjburken, Aug 10, 2019
    Replies:
    4
    Views:
    192
    Rocket Man
    Aug 11, 2019
  12. donjetman

    LSXcalade Goes 9’s

    donjetman, Aug 8, 2019
    Replies:
    0
    Views:
    142
    donjetman
    Aug 8, 2019
  13. Goldie2007

    2007 Yukon Xl Denali (6.2) Resonator Delete ideas

    Goldie2007, Jul 31, 2019
    Replies:
    2
    Views:
    195
    Big Mama
    Aug 5, 2019
  14. donjetman

    Building A LS - Article

    donjetman, Aug 1, 2019
    Replies:
    2
    Views:
    172
    esoteric_ast
    Aug 1, 2019
  15. JDopirak

    Your dyno numbers?

    JDopirak, Jul 29, 2019
    Replies:
    4
    Views:
    215
    Mickey_7106
    Jul 30, 2019
  16. JDopirak

    Got my Yukon tuned today

    JDopirak, Jul 15, 2019 ... 2 3
    Replies:
    24
    Views:
    1,977
    JDopirak
    Jul 30, 2019
  17. nanali

    [+] Denali performance bad for me.

    nanali, Jul 24, 2019
    Replies:
    5
    Views:
    439
    Rocket Man
    Jul 27, 2019
  18. 07hoeCHEVY

    Pedal commander

    07hoeCHEVY, May 16, 2019 ... 2
    Replies:
    14
    Views:
    962
    BlackBearPerf
    Jul 24, 2019
  19. ftwflh

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

    ftwflh, Jul 4, 2019
    Replies:
    8
    Views:
    311
    thompsoj22
    Jul 21, 2019
  20. JDopirak

    Pics of your dual exhaust

    JDopirak, Apr 19, 2019 ... 2
    Replies:
    15
    Views:
    1,835
    esoteric_ast
    Jul 21, 2019
  21. D_R_C

    Diy catch can install

    D_R_C, Apr 22, 2013 ... 9 10 11
    Replies:
    103
    Views:
    27,631
    BigBlueLB756
    Jul 18, 2019
  22. Jolly Roger

    Looney tunes

    Jolly Roger, Jul 9, 2019 ... 2 3 4
    Replies:
    39
    Views:
    833
    Jolly Roger
    Jul 18, 2019
  23. erichyukondoit

    Performance mod write ups?

    erichyukondoit, Mar 2, 2019
    Replies:
    7
    Views:
    1,183
    JDopirak
    Jul 15, 2019
  24. HACK BLOCK

    E85 + 87 = better than 93?

    HACK BLOCK, Jul 9, 2019 ... 2 3 4
    Replies:
    34
    Views:
    1,667
    HiHoeSilver
    Jul 11, 2019
  25. Awfiretto

    Superchips Flashpaq F5

    Awfiretto, May 15, 2019
    Replies:
    1
    Views:
    467
    Jolly Roger
    Jul 9, 2019
  26. Mickey_7106

    Brake bleed screws

    Mickey_7106, Jul 2, 2019
    Replies:
    5
    Views:
    222
    915_Tahoe
    Jul 4, 2019
  27. B2sdad

    07 Suburban BTR Stage 4 Truck cam idle

    B2sdad, Jun 10, 2019 ... 2
    Replies:
    12
    Views:
    842
    B2sdad
    Jun 19, 2019
  28. Ilikemtb999

    For those who have done AFM delete/cam swaps

    Ilikemtb999, Nov 23, 2018 ... 2 3 4
    Replies:
    30
    Views:
    3,132
    Lsnoob13
    Jun 18, 2019
  29. Joverine

    07 Tahoe Exhaust - Borla, Corsa, Gibson, Dynomax, Magnaflow???

    Joverine, Jul 30, 2017 ... 2 3
    Replies:
    27
    Views:
    6,480
    gat0r
    Jun 11, 2019
  30. NORCAL SS

    3.5 inch cat back $130 dollars.

    NORCAL SS, Mar 7, 2012 ... 3 4 5
    Replies:
    47
    Views:
    12,246
    Mickey_7106
    Jun 4, 2019
  31. 07hoeCHEVY

    #8 spark plug

    07hoeCHEVY, May 16, 2019 ... 3 4 5
    Replies:
    46
    Views:
    2,226
    Tonyrodz
    Jun 2, 2019
  32. Tim Quigley

    Hypertech max energy

    Tim Quigley, Jan 18, 2019
    Replies:
    5
    Views:
    886
    Keanen55
    May 14, 2019
  33. potvingpr1

    SLP Resonator Delete

    potvingpr1, May 20, 2015 ... 5 6 7
    Replies:
    62
    Views:
    18,316
    Crapo85
    May 8, 2019
  34. jdoggy

    New guy

    jdoggy, Apr 21, 2019
    Replies:
    1
    Views:
    267
    iamdub
    Apr 21, 2019
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