F/I Mods & Tuning

Discussion Turbochargers, Superchargers, NOS and general FI issues.

Sort By:
Title
Replies ↓ Views
Last Message
  1. drewXrunner
    Replies:
    76
    Views:
    3,041
  2. DallasCowboys
    Replies:
    76
    Views:
    3,016
  3. x20Runner05
    Replies:
    75
    Views:
    2,396
  4. Super Werty
    Replies:
    75
    Views:
    3,488
  5. 07XR808
    Replies:
    75
    Views:
    5,807
  6. SIK X
    Replies:
    74
    Views:
    3,839
  7. whippersnapper02
    Replies:
    74
    Views:
    2,211
  8. the rev
    Replies:
    73
    Views:
    5,124
  9. drewXrunner
    Replies:
    72
    Views:
    2,255
  10. disciple X
    Replies:
    71
    Views:
    2,513
  11. Nicodemus454
    Replies:
    71
    Views:
    4,313
  12. sweetwilliebrownjr
    Replies:
    70
    Views:
    4,833
  13. KETCHUP
    Replies:
    70
    Views:
    3,625
  14. pumo420
    Replies:
    70
    Views:
    2,481
  15. Murderface
    Replies:
    69
    Views:
    2,909
  16. ntinhri
    Replies:
    69
    Views:
    3,044
  17. lamia2super
    Replies:
    68
    Views:
    5,506
  18. RRX
    Replies:
    68
    Views:
    2,930
  19. bada$$03taco
    Replies:
    68
    Views:
    4,875
  20. ntinhri
    Replies:
    68
    Views:
    2,437

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.