F/I Mods & Tuning

Discussion Turbochargers, Superchargers, NOS and general FI issues.

Page 1 of 102
Sort By:
Title Start Date
Replies Views
Last Message ↓
  1. Sticky Threads
  2. jmoore120
    Sticky

    TRD Supercharger Maintenance??

    jmoore120, Jun 11, 2009 ... 2
    Replies:
    36
    Views:
    2,972
    K2
    K2
    Feb 1, 2019
  3. hotrodt
    Sticky

    F/I Horsepower and Supporting Mods

    hotrodt, May 16, 2012 ... 11 12 13
    Replies:
    255
    Views:
    34,204
    Ridefoxone
    Ridefoxone
    Oct 22, 2017
  4. Super Werty
    Sticky

    PCV System & Oil Catch Can

    Super Werty, Jan 13, 2010 ... 10 11 12
    Replies:
    235
    Views:
    23,599
    DRIVEN
    DRIVEN
    Aug 28, 2017
  5. My68ur8trd
    Sticky

    TRD S/C parts list

    My68ur8trd, Jan 14, 2010 ... 2
    Replies:
    31
    Views:
    10,607
    Superloki24
    Superloki24
    Jul 10, 2017
  6. iniazy
    Sticky

    Prado URD Kit Transmission Valve Body Upgrade

    iniazy, Nov 16, 2014 ... 2 3
    Replies:
    51
    Views:
    6,851
    Redlantern
    Redlantern
    Feb 4, 2017
  7. revobreaker
    Sticky

    T56 Write UP

    revobreaker, May 24, 2013 ... 3 4 5
    Replies:
    81
    Views:
    13,552
    brs
    brs
    Nov 28, 2015
  8. Murderface
    Sticky

    TRD blower belt

    Murderface, Sep 28, 2009 ... 2 3
    Replies:
    40
    Views:
    10,689
    bobber bill
    bobber bill
    Oct 5, 2015
  9. dpartinvr4
    Sticky

    Wet shot Nitrous with S/C

    dpartinvr4, Jan 27, 2013 ... 2
    Replies:
    33
    Views:
    7,588
    XMPLRY808
    XMPLRY808
    Sep 12, 2015
  10. Torspd
    Sticky

    ARP Head Studs for 1GR and Main Studs

    Torspd, Dec 23, 2011
    Replies:
    5
    Views:
    2,159
    Torspd
    Torspd
    Sep 11, 2014
  11. sdxrunner619
    Sticky

    Urd fuel pump filter...

    sdxrunner619, Feb 4, 2012 ... 2 3
    Replies:
    52
    Views:
    11,447
    skygear
    skygear
    Aug 27, 2014
  12. butters607
    Sticky

    OEM and AfterMarket Fuel Pressure Regulator thread

    butters607, Jul 29, 2012 ... 4 5 6
    Replies:
    108
    Views:
    15,462
    skygear
    skygear
    Aug 27, 2014
  13. dmbfan73
    Locked Sticky

    trd supercharger questions

    dmbfan73, Mar 12, 2009 ... 2 3
    Replies:
    43
    Views:
    16,180
    2006nightrider
    2006nightrider
    Mar 19, 2009
  14. quickshift93
    Locked Sticky

    URD vs TRD Supercharger Info & Stats

    quickshift93, Mar 6, 2008 ... 4 5 6
    Replies:
    109
    Views:
    31,470
    K2
    K2
    Mar 29, 2008
  15. Normal Threads
  16. x-driver21

    How many miles your S/C taco have?

    x-driver21, Dec 27, 2018 ... 2
    Replies:
    26
    Views:
    639
    spicciani2
    spicciani2
    Apr 24, 2019 at 3:25 PM
  17. sf.larry

    Thoughts on Auto Meter Dashlink

    sf.larry, Apr 4, 2019
    Replies:
    1
    Views:
    59
    NHXRUNNER
    NHXRUNNER
    Apr 4, 2019
  18. TRON

    NST TRD Overdrive Kit question

    TRON, Mar 28, 2019
    Replies:
    3
    Views:
    120
    sonic555u
    sonic555u
    Mar 30, 2019
  19. iniazy

    Re-Installing My Supercharger

    iniazy, Aug 18, 2014 ... 21 22 23
    Replies:
    451
    Views:
    26,165
    iniazy
    iniazy
    Mar 2, 2019
  20. Philby

    S/C calibration ID numbers

    Philby, Dec 15, 2018
    Replies:
    5
    Views:
    245
    Philby
    Philby
    Dec 29, 2018
  21. Torspd

    1GR Aftermarket camshafts

    Torspd, Feb 3, 2014 ... 3 4 5
    Replies:
    88
    Views:
    6,497
    Nashman
    Nashman
    Dec 24, 2018
  22. Superloki24

    Complete Idler Pulley Replacement

    Superloki24, Dec 17, 2018
    Replies:
    2
    Views:
    188
    30Birdy
    30Birdy
    Dec 18, 2018
  23. LilRed

    Transmission trouble - upgrade?

    LilRed, Dec 22, 2017
    Replies:
    17
    Views:
    964
    Aspen_S/C
    Aspen_S/C
    Dec 2, 2018
  24. Helimx

    What are all the latest and greatest mods for TRD SC?

    Helimx, Jan 16, 2016 ... 2
    Replies:
    27
    Views:
    1,712
    30Birdy
    30Birdy
    Oct 29, 2018
  25. radracer_x

    Sundden Death

    radracer_x, Oct 1, 2018
    Replies:
    3
    Views:
    238
    radracer_x
    radracer_x
    Oct 4, 2018
  26. Nashman

    super charger on the way does anyone have any good maps for the arp x1

    Nashman, Aug 18, 2018
    Replies:
    8
    Views:
    293
    Nashman
    Nashman
    Aug 30, 2018
  27. Superloki24

    Broken Transmission Quill

    Superloki24, Jun 6, 2018
    Replies:
    16
    Views:
    562
    NHXRUNNER
    NHXRUNNER
    Aug 27, 2018
  28. bangbang

    3000 2jz twin turbo supra motor

    bangbang, Aug 17, 2011 ... 2 3
    Replies:
    54
    Views:
    4,852
    NHXRUNNER
    NHXRUNNER
    Aug 13, 2018
  29. iniazy

    Options for Compression Ratios 1GR

    iniazy, May 27, 2014 ... 4 5 6
    Replies:
    118
    Views:
    7,937
    DocME
    DocME
    Aug 9, 2018
  30. shane881510

    Rear diff??? And gears

    shane881510, Jun 15, 2018 ... 2
    Replies:
    23
    Views:
    586
    AZ Sun Lover
    AZ Sun Lover
    Jul 29, 2018
  31. radracer_x

    Installing tacoma oil cooler

    radracer_x, Apr 27, 2018
    Replies:
    8
    Views:
    680
    autobodyX
    autobodyX
    May 6, 2018
  32. radracer_x

    Clutch pedal mod details

    radracer_x, Mar 18, 2018
    Replies:
    17
    Views:
    683
    Nashman
    Nashman
    Apr 26, 2018
  33. Amo-cat3

    P2195 help - a/f sensor stuck lean

    Amo-cat3, Apr 3, 2018
    Replies:
    4
    Views:
    201
    NHXRUNNER
    NHXRUNNER
    Apr 4, 2018
  34. Kevin S.

    APR X-1 Tuning

    Kevin S., Mar 1, 2018
    Replies:
    13
    Views:
    685
    Nashman
    Nashman
    Mar 13, 2018
  35. wolfpack_5150

    Fuel pump info

    wolfpack_5150, Feb 28, 2018
    Replies:
    4
    Views:
    313
    wolfpack_5150
    wolfpack_5150
    Mar 6, 2018
Showing threads 1 to 20 of 2,038

Thread Display Options

Loading...
(You must log in or sign up to post here.)
Page 1 of 102
Toggle Width

  • 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

    X-Runner Underground

  • 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.