Performance

Engine mods, Chips, Filters, etc.

Sponsored By: Black Bear Performance
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  1.    
  2. BlueTahoe2001

    Locker VS Posi

    BlueTahoe2001, Dec 25, 2009 ... 3 4 5
    Replies:
    47
    Views:
    26,703
    swathdiver
    Aug 20, 2019
  3. Travieso

    2001-2006 tahoe LLP headers w/ ory installed

    Travieso, Jan 10, 2011 ... 6 7 8
    Replies:
    73
    Views:
    52,795
    LINTZ0718
    Jan 6, 2018
  4. BOSS

    LQ4/LQ9 - Everything you ever wanted to know

    BOSS, Aug 25, 2009
    Replies:
    6
    Views:
    151,752
    Lit549
    Sep 19, 2017
  5. JennaBear

    Lower thermostats, really needed?

    JennaBear, Feb 26, 2013 ... 2
    Replies:
    19
    Views:
    10,837
    turbopowered68
    Aug 2, 2016
  6. JennaBear

    Throttle Body Spacers

    JennaBear, May 24, 2009 ... 2 3 4
    Replies:
    38
    Views:
    32,812
    dianaluther
    Jan 7, 2014
  7.    
  8. EfiniMotorsport

    Need some suggestions on mods for the Denali

    EfiniMotorsport, Nov 12, 2019 at 8:42 PM
    Replies:
    2
    Views:
    89
    EfiniMotorsport
    Nov 14, 2019 at 12:31 AM
  9. hawaiiantahoe808

    Looking to install long tube headers

    hawaiiantahoe808, Apr 25, 2019
    Replies:
    6
    Views:
    620
    Staggered 02
    Nov 13, 2019 at 9:17 AM
  10. Joshuasvt

    170k on factory plugs

    Joshuasvt, Nov 11, 2019 at 12:54 PM
    Replies:
    2
    Views:
    89
    Joshuasvt
    Nov 11, 2019 at 1:46 PM
  11. Daturbosix

    4L80e swap

    Daturbosix, May 22, 2019
    Replies:
    2
    Views:
    460
    jasonc
    Nov 11, 2019 at 11:33 AM
  12. jdpber

    Transmission swap 4l80

    jdpber, Oct 21, 2011 ... 2 3
    Replies:
    20
    Views:
    5,933
    jasonc
    Nov 11, 2019 at 11:25 AM
  13. Venom

    Just tuned by blackbear!

    Venom, Oct 24, 2019 ... 2
    Replies:
    14
    Views:
    878
    FreshLikeOprah
    Nov 5, 2019
  14. Angelo Gagliani

    Gibson exhaust update/ review 04 Yukon Denali xl

    Angelo Gagliani, Oct 30, 2019
    Replies:
    6
    Views:
    380
    wilcfr
    Nov 4, 2019
  15. PNW VietVet

    Ok, new tires and wheels. Exhaust next

    PNW VietVet, Sep 24, 2019 ... 2
    Replies:
    14
    Views:
    897
    PNW VietVet
    Oct 25, 2019
  16. Jkittre777

    2004 Yukon steering sucks

    Jkittre777, Jul 15, 2019
    Replies:
    6
    Views:
    750
    V30Crewcab
    Oct 25, 2019
  17. Punisher Edition

    Need truck performance shop in Southern California

    Punisher Edition, May 29, 2019
    Replies:
    6
    Views:
    450
    jerlehman
    Oct 20, 2019
  18. Chris2144

    Lsa blower

    Chris2144, Aug 4, 2019 ... 2
    Replies:
    17
    Views:
    1,245
    Rocket Man
    Oct 16, 2019
  19. bassgas

    Want to make 2004 Yukon xl breathe

    bassgas, Sep 24, 2019
    Replies:
    3
    Views:
    334
    PNW VietVet
    Oct 16, 2019
  20. Angelo Gagliani

    2004 xl Denali 6.0 exhaust

    Angelo Gagliani, Oct 4, 2019
    Replies:
    2
    Views:
    281
    Joseph Garcia
    Oct 4, 2019
  21. skbishop90

    Who is the fastest Hoe/Yukon on this site???

    skbishop90, Apr 26, 2013 ... 2
    Replies:
    14
    Views:
    3,937
    BigBlueLB756
    Sep 17, 2019
  22. DenaliReyes

    MPG tips

    DenaliReyes, Jul 9, 2019
    Replies:
    8
    Views:
    1,217
    PNW VietVet
    Sep 12, 2019
  23. Mike baker

    6.0 swap

    Mike baker, Jul 9, 2019 ... 2 3
    Replies:
    22
    Views:
    1,537
    SteveB
    Sep 11, 2019
  24. Taavi

    Burnout with Tahoe 5.3?

    Taavi, Apr 23, 2018 ... 2 3
    Replies:
    28
    Views:
    5,500
    Idriveaho
    Aug 24, 2019
  25. Michigan

    Can anyone confirm inlet/outlet?

    Michigan, Aug 14, 2019 ... 2
    Replies:
    14
    Views:
    1,113
    BADRIDES
    Aug 23, 2019
  26. z71hotness

    Flowmaster FX 3" on Tahoe with video

    z71hotness, Aug 22, 2019
    Replies:
    0
    Views:
    438
    z71hotness
    Aug 22, 2019
  27. Michigan

    Custom exhaust questions

    Michigan, Jun 17, 2019 ... 2
    Replies:
    15
    Views:
    1,522
    Sasquatch
    Aug 18, 2019
  28. Mechanic421

    Is this a good or bad time slip?

    Mechanic421, Aug 17, 2019
    Replies:
    0
    Views:
    314
    Mechanic421
    Aug 17, 2019
  29. Heldju

    Tahoe engine swap

    Heldju, Aug 14, 2019 ... 2
    Replies:
    11
    Views:
    1,418
    Heldju
    Aug 16, 2019
  30. Konrad

    03 Yukon 5.3 - Magnaflow 12288 vs 12388

    Konrad, Aug 15, 2019
    Replies:
    0
    Views:
    397
    Konrad
    Aug 15, 2019
  31. Mike baker

    Headers

    Mike baker, Jul 19, 2019 ... 2
    Replies:
    12
    Views:
    953
    Rocket Man
    Jul 25, 2019
  32. cmc76

    Supercharger and 180k miles

    cmc76, Jul 20, 2019
    Replies:
    8
    Views:
    946
    iamdub
    Jul 24, 2019
  33. SteveB

    Anybody ever dyno their stock Denali

    SteveB, Jul 22, 2019
    Replies:
    0
    Views:
    332
    SteveB
    Jul 22, 2019
  34. skyhighsami

    Finally going to try and run some low 13s

    skyhighsami, Jul 19, 2019
    Replies:
    4
    Views:
    469
    skyhighsami
    Jul 20, 2019
  35. bill9000

    2001 Yukon Y-pipe options

    bill9000, Sep 27, 2018 ... 2
    Replies:
    11
    Views:
    1,422
    AZGOAT
    Jul 10, 2019
  36. Dan Acosta

    Time needed for Camshaft Change 5.3

    Dan Acosta, Jan 22, 2018 ... 2
    Replies:
    18
    Views:
    3,119
    Rocket Man
    Jun 27, 2019
  37. 1badc4

    Help diagnosing 5.3 noise

    1badc4, Jun 20, 2019 ... 2
    Replies:
    11
    Views:
    831
    Larryjb
    Jun 26, 2019
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