New features... new bugs.
by K2 on Oct 13, 2016
We're glad to be back online
by K2 on Oct 4, 2016
NOTICE X-Fest 2016 - Lake Harmony, PA - Sep 23-25
by NHXRUNNER on Jul 1, 2016
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  1. K2
    Sticky

    We could use your help

    K2, Dec 7, 2018 , Site News & Updates
    Replies:
    18
    Views:
    196
    sf.larry
    sf.larry
    Dec 13, 2018 at 11:55 AM
  2. kharrar

    Wanted XR with V8/T56

    kharrar, Jun 21, 2018 , Wanted
    Replies:
    4
    Views:
    249
    kharrar
    kharrar
    Dec 12, 2018 at 7:12 PM
  3. AZ Sun Lover

    New SAE Rigid Fog lights

    AZ Sun Lover, Dec 12, 2018 at 2:16 PM , For Sale
    Replies:
    0
    Views:
    29
    AZ Sun Lover
    AZ Sun Lover
    Dec 12, 2018 at 2:16 PM
  4. flipboikev
    Sticky

    Tundra caliper with ISF 360mm rotor bracket for sale!!!

    flipboikev, Apr 7, 2017 , RamRod Parts ... 2 3
    Replies:
    44
    Views:
    1,835
    Nashman
    Nashman
    Dec 12, 2018 at 3:29 AM
  5. fasthatch020

    2JZ X !!!

    fasthatch020, Dec 7, 2018 , Member Builds
    Replies:
    8
    Views:
    163
    Blue10XR
    Blue10XR
    Dec 10, 2018 at 9:52 AM
  6. AZ Sun Lover

    Prototype sold, New mounts, coilovers & shocks For Sale

    AZ Sun Lover, Nov 15, 2018 , For Sale
    Replies:
    7
    Views:
    240
    AZ Sun Lover
    AZ Sun Lover
    Dec 9, 2018 at 2:52 AM
  7. BondXII

    Official Sway Bar Group Buy

    BondXII, Mar 13, 2018 , XII Performance ... 10 11 12
    Replies:
    227
    Views:
    10,080
    TitanRattler813
    TitanRattler813
    Dec 8, 2018 at 11:09 AM
  8. 1GRracer

    URD throw out bearing install/tips pics.

    1GRracer, Jul 16, 2011 , Stock Performance/Mechanical ... 2
    Replies:
    20
    Views:
    1,834
    rjbiii
    rjbiii
    Dec 5, 2018
  9. Nashman
    Sticky

    How to upgrade your diff

    Nashman, Nov 23, 2015 , N/A Mods & Tuning ... 2 3 4
    Replies:
    60
    Views:
    4,493
    Nashman
    Nashman
    Dec 4, 2018
  10. NHXRUNNER

    Frame Rust Recall UPDATE

    NHXRUNNER, May 21, 2014 , Recalls & Updates ... 5 6 7
    Replies:
    122
    Views:
    12,097
    *IrunnIt*
    *IrunnIt*
    Dec 3, 2018
  11. Gadget

    URD Black Friday / Cyber Monday Sale 2018

    Gadget, Nov 21, 2018 , Underdog Racing Development (URD)
    Replies:
    6
    Views:
    228
    yayxrunner707
    yayxrunner707
    Dec 3, 2018
  12. LilRed

    Transmission trouble - upgrade?

    LilRed, Dec 22, 2017 , F/I Mods & Tuning
    Replies:
    17
    Views:
    732
    Aspen_S/C
    Aspen_S/C
    Dec 2, 2018
  13. alexxwing

    Nor cal

    alexxwing, Nov 23, 2018 , Cali
    Replies:
    9
    Views:
    110
    XR415
    XR415
    Dec 2, 2018
  14. Justin Kantor

    Aftermarket catalytic converters are now available

    Justin Kantor, Apr 14, 2018 , Stock Performance/Mechanical
    Replies:
    13
    Views:
    420
    Justin Kantor
    Justin Kantor
    Dec 1, 2018
  15. spicciani2

    Savannah Georgia

    spicciani2, Nov 30, 2018 , X-Runner Spotted
    Replies:
    1
    Views:
    34
    spicciani2
    spicciani2
    Dec 1, 2018
  16. dj_lucas840

    What up homies! Haha

    dj_lucas840, Nov 28, 2018 , Northeast
    Replies:
    2
    Views:
    68
    markgt531
    markgt531
    Nov 28, 2018
  17. NHXRUNNER
    Sticky

    Regional Roll Call (CT, DE, ME, MA, NH, NJ, NY, PA, RI, VT, WV)

    NHXRUNNER, Nov 19, 2018 , Northeast
    Replies:
    8
    Views:
    94
    Limitless
    Limitless
    Nov 26, 2018
  18. Jaegermeister
    Sticky

    2012 X-runner Roll Call

    Jaegermeister, Dec 28, 2011 , New to the Underground ... 2 3 4
    Replies:
    67
    Views:
    11,817
    hypertaco
    hypertaco
    Nov 26, 2018
  19. Dallas

    2006 Low Mile X Runner for sale

    Dallas, Oct 28, 2018 , For Sale
    Replies:
    13
    Views:
    461
    dj_lucas840
    dj_lucas840
    Nov 25, 2018
  20. Coupe

    Coupe Deep Oil Sump Group Buy

    Coupe, Sep 22, 2011 , Vendor Marketplace ... 4 5 6
    Replies:
    108
    Views:
    7,259
    Gadget
    Gadget
    Nov 25, 2018
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