F/I Mods & Tuning

Discussion Turbochargers, Superchargers, NOS and general FI issues.

Sort By:
Title
Replies Views ↓
Last Message
  1. Normal Threads
  2. Super Werty
    Replies:
    460
    Views:
    21,811
  3. iniazy
    Replies:
    429
    Views:
    21,325
  4. Torspd
    Replies:
    505
    Views:
    20,587
  5. SIK X
    Replies:
    408
    Views:
    17,362
  6. rexrunner
    Replies:
    120
    Views:
    14,921
  7. Super Werty
    Replies:
    175
    Views:
    12,574
  8. rexrunner
    Replies:
    198
    Views:
    11,374
  9. Sproulesxrunner
    Replies:
    320
    Views:
    11,027
  10. Jonathan
    Replies:
    199
    Views:
    9,289
  11. 5H4D0WD347H
    Replies:
    268
    Views:
    8,869
  12. TRON
    Replies:
    129
    Views:
    8,591
  13. Spyder327
    Replies:
    138
    Views:
    8,153
  14. Renotacoma
    Replies:
    150
    Views:
    8,150
  15. VaBchXRunner
    Replies:
    122
    Views:
    8,105
  16. Jonathan
    Replies:
    129
    Views:
    7,399
  17. drewXrunner
    Replies:
    122
    Views:
    7,178
  18. rexrunner
    Replies:
    116
    Views:
    6,913
  19. Coupe
    Replies:
    163
    Views:
    6,841
  20. rennurx
    Replies:
    155
    Views:
    6,635
  21. Shanes56
    Replies:
    78
    Views:
    6,623

Thread Display Options

Loading...
  • About Us

    XR-Underground is a dedicated community of Toyota X-Runner enthusiasts that was launched in January 2007. X-Runner Underground.com, referred to as XRU by our regular members, offers an active discussion forum, group events, specialty merchandise, a welcoming community of owners and the most information you can find about the Toyota X-Runner on the internet!
  • Quick Navigation

    Open the Quick Navigation

  • Like us on Facebook

  • Your donations keep XRU going

    XRU is a forum for the users, by the users. We receive very limited funding from vendors so we really rely on donations to cover our operating costs and to provide products and giveaways at events. Every dollar helps!

    If you are able to donate, we'd really appreciate your help.