F/I Mods & Tuning

Discussion Turbochargers, Superchargers, NOS and general FI issues.

Sort By:
Title
Replies Views
Last Message ↓
  1. Hard Taco
    Replies:
    15
    Views:
    919
  2. whippersnapper02
    Replies:
    21
    Views:
    2,259
  3. 30Birdy
    Replies:
    11
    Views:
    865
  4. Ostrichsak
    Replies:
    10
    Views:
    920
  5. Blue10XR
    Replies:
    12
    Views:
    659
  6. Tom2769
    Replies:
    10
    Views:
    669
  7. Tom2769
    Replies:
    16
    Views:
    888
  8. Ostrichsak
    Replies:
    38
    Views:
    3,976
  9. grifter95
    Replies:
    10
    Views:
    585
  10. kwigs160966
    Replies:
    17
    Views:
    953
  11. SgtBadA
    Replies:
    4
    Views:
    370
  12. X-MOKED U
    Replies:
    42
    Views:
    3,149
  13. 30Birdy
    Replies:
    30
    Views:
    1,561
  14. TRON
    Replies:
    41
    Views:
    2,246
  15. TRON
    Replies:
    8
    Views:
    429
  16. Amo-cat3
    Replies:
    2
    Views:
    486
  17. akakrill
    Replies:
    114
    Views:
    5,041
  18. Hard Taco
    Replies:
    7
    Views:
    393
  19. TRON
    Replies:
    10
    Views:
    757
  20. dwenrhod
    Replies:
    3
    Views:
    315

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.