F/I Mods & Tuning

Discussion Turbochargers, Superchargers, NOS and general FI issues.

Sort By:
Title
Replies Views ↓
Last Message
  1. hybrid2.0
    Replies:
    88
    Views:
    4,502
  2. Nicodemus454
    Replies:
    71
    Views:
    4,483
  3. ABP
    Replies:
    36
    Views:
    4,474
  4. Torspd
    Replies:
    62
    Views:
    4,425
  5. Whitebeauty
    Replies:
    56
    Views:
    4,303
  6. JeffSnAusTX
    Replies:
    60
    Views:
    4,209
  7. Alexrunner
    Replies:
    97
    Views:
    4,180
  8. waleed
    Replies:
    93
    Views:
    4,138
  9. ntinhri
    Replies:
    79
    Views:
    4,138
  10. grifter95
    Replies:
    62
    Views:
    4,125
  11. X-Runnin
    Replies:
    81
    Views:
    4,104
  12. iniazy
    Replies:
    51
    Views:
    4,018
  13. Xcandyman
    Replies:
    59
    Views:
    4,013
  14. rennurx
    Replies:
    40
    Views:
    3,994
  15. justin13703
    Replies:
    101
    Views:
    3,990
  16. KETCHUP
    Replies:
    84
    Views:
    3,976
  17. 5H4D0WD347H
    Replies:
    67
    Views:
    3,947
  18. romaniak
    Replies:
    49
    Views:
    3,946
  19. JPAYNE722
    Replies:
    115
    Views:
    3,919
  20. 2006nightrider
    Replies:
    81
    Views:
    3,892

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.