F/I Mods & Tuning

Discussion Turbochargers, Superchargers, NOS and general FI issues.

Sort By:
Title ↓
Replies Views
Last Message
  1. Normal Threads
  2. Xrunnerbjt
    Replies:
    8
    Views:
    305
  3. STONER-X
    Replies:
    8
    Views:
    430
  4. Aspen_S/C
    Replies:
    16
    Views:
    1,178
  5. drewXrunner
    Replies:
    76
    Views:
    2,878
  6. Torspd
    Replies:
    29
    Views:
    2,396
  7. gosaints420
    Replies:
    11
    Views:
    799
  8. butters607
    Replies:
    34
    Views:
    1,151
  9. XrunnIT
    Replies:
    95
    Views:
    4,847
  10. SpaceMonkey
    Replies:
    3
    Views:
    349
  11. NHXRUNNER
    Replies:
    26
    Views:
    1,187
  12. o5oldblue
    Replies:
    38
    Views:
    1,591
  13. blastap
    Replies:
    48
    Views:
    1,367
  14. reckless-x
    Replies:
    7
    Views:
    426
  15. TRD_Prado
    Replies:
    18
    Views:
    551
  16. trd_sport
    Replies:
    15
    Views:
    717
  17. FJLED
    Replies:
    10
    Views:
    549
  18. six1nina
    Replies:
    17
    Views:
    848
  19. TRD_Prado
    Replies:
    5
    Views:
    330
  20. trd_sport
    Replies:
    87
    Views:
    2,817
  21. trd_sport
    Replies:
    17
    Views:
    706

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.