F/I Mods & Tuning

Discussion Turbochargers, Superchargers, NOS and general FI issues.

Sort By:
Title
Replies Views
Last Message ↓
  1. Normal Threads
  2. bangbang
    Replies:
    54
    Views:
    4,581
  3. iniazy
    Replies:
    118
    Views:
    7,237
  4. shane881510
    Replies:
    23
    Views:
    277
  5. LilRed
    Replies:
    16
    Views:
    537
  6. Superloki24
    Replies:
    13
    Views:
    209
  7. radracer_x
    Replies:
    8
    Views:
    341
  8. radracer_x
    Replies:
    17
    Views:
    473
  9. Amo-cat3
    Replies:
    4
    Views:
    123
  10. Kevin S.
    Replies:
    13
    Views:
    329
  11. wolfpack_5150
    Replies:
    4
    Views:
    213
  12. RRXrunner12
    Replies:
    5
    Views:
    376
  13. NHXRUNNER
    Replies:
    9
    Views:
    199
  14. NHXRUNNER
    Replies:
    10
    Views:
    403
  15. Gadget
    Replies:
    3
    Views:
    248
  16. iniazy
    Replies:
    448
    Views:
    24,048
  17. sntckr
    Replies:
    35
    Views:
    813
  18. wolfpack_5150
    Replies:
    4
    Views:
    299
  19. Torspd
    Replies:
    15
    Views:
    704
  20. o0opackersfano0o
    Replies:
    0
    Views:
    147
  21. radracer_x
    Replies:
    1
    Views:
    158

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.