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    Quick Links: Muffler length and performance? Muffler and exhaust suggestions? 4th Gen K&N Cold Air Intake Oil filter size TRD CAI in 2021 model

Performance

Toyota 4Runner performance (intakes, exhausts, etc)

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  1. no spark?

    sjenoch, Nov 22, 2022
    Replies:
    1
    Views:
    1,382
    TrailSpecial22
    Dec 18, 2022

  2. 1999 4Runner SR5 (wait for it)… got decatalyzed!!!

    Moorebeej, Dec 16, 2022
    Replies:
    0
    Views:
    945
    Moorebeej[OP]
    Dec 16, 2022

  3. Oil filter size

    mtnslyr, Nov 18, 2022
    Replies:
    5
    Views:
    2,096
    TrailSpecial22
    Nov 18, 2022

  4. Supercharger for 2020 4Runner

    skyshrink, Jul 19, 2020 ... 2
    Replies:
    58
    Views:
    19,370
    TDotCord
    Sep 20, 2022

  5. Throttle problems

    ChrisDLC, May 8, 2022
    Replies:
    3
    Views:
    1,300
    Thatbassguy
    Aug 24, 2022

  6. check engine light code po420 & po430

    Silika713, Jul 13, 2022
    Replies:
    0
    Views:
    841
    Silika713[OP]
    Jul 13, 2022

  7. Complete cat delete.

    07Limited4X4, Jul 8, 2022
    Replies:
    2
    Views:
    4,234
    07Limited4X4[OP]
    Jul 8, 2022

  8. Supercharging 1GR-FE

    DJNAUST, Oct 3, 2020
    Replies:
    11
    Views:
    6,714
    mZiggy
    Jul 7, 2022

  9. Do you put fuel additives ?

    taco_runner, Apr 14, 2021 ... 2
    Replies:
    55
    Views:
    14,131
    ARB1977
    Dec 12, 2021

  10. Pedal Commander review

    WTW15, Jan 16, 2018 ... 2 3
    Replies:
    88
    Views:
    55,306
    Jrunr
    Nov 3, 2021

  11. Oil change fail

    Cindy, Oct 18, 2020
    Replies:
    21
    Views:
    5,200
    josephp732
    Sep 20, 2021

  12. Recalibration of electronics after windshield replacement 2020 SR5

    sduncil, Sep 10, 2021
    Replies:
    0
    Views:
    939
    sduncil[OP]
    Sep 10, 2021

  13. Transmission Fluid!

    jax410, Apr 19, 2021
    Replies:
    4
    Views:
    3,891
    captsolo
    May 20, 2021

  14. Interesting read...

    SR5 Limited, May 7, 2021
    Replies:
    4
    Views:
    1,509
    ruiz4251
    May 7, 2021

  15. Pedal Commander?

    Matt97, Apr 29, 2021
    Replies:
    21
    Views:
    2,732
    gunsnob
    Apr 30, 2021

  16. Replaced 19inch flowmaster muffler with 24inch Borla

    Chodermuffin, Apr 15, 2021
    Replies:
    0
    Views:
    1,148
    Chodermuffin[OP]
    Apr 15, 2021

  17. 70 mm Throttle Body on 4th Gen $runner

    4runnernutz, Apr 7, 2021
    Replies:
    0
    Views:
    1,031
    4runnernutz[OP]
    Apr 7, 2021

  18. 3rd Gen cat-back?

    SR5 Limited, Apr 3, 2021
    Replies:
    3
    Views:
    906
    SR5 Limited[OP]
    Apr 5, 2021

  19. Info. On 4 runner

    Cyn_sin, Mar 17, 2021
    Replies:
    4
    Views:
    1,415
    SlvrSlug
    Mar 17, 2021

  20. Sensor please help

    Chelle6421, Feb 10, 2021
    Replies:
    1
    Views:
    1,231
    oljedi11950
    Feb 10, 2021

  21. 2021 engine performance Issues

    Trailblazzrr, Dec 5, 2020
    Replies:
    11
    Views:
    7,549
    4Runner fun
    Dec 15, 2020

  22. CAI and exhaust worth It???

    SeekNDestroy, Mar 21, 2020
    Replies:
    8
    Views:
    6,357
    2Trex
    Nov 20, 2020

  23. 4TH GEN T4R and REPLACEMENT TRD CAI FITMENT???

    caa010081, Nov 17, 2020
    Replies:
    0
    Views:
    2,397
    caa010081[OP]
    Nov 17, 2020

  24. TRD CAI in 2021 model

    seanzig, Nov 6, 2020
    Replies:
    10
    Views:
    6,459
    4Runner170V
    Nov 7, 2020

  25. Larger CAT and/or Exhaust

    taco_runner, Sep 7, 2020
    Replies:
    3
    Views:
    1,707
    PVT Pablo
    Oct 1, 2020

  26. 2020 Limited Flowmaster FlowFX Cabin Drone Problem

    magsrgod, Jul 27, 2020
    Replies:
    4
    Views:
    3,711
    SlvrSlug
    Oct 1, 2020

  27. Best carb for offroad application?

    Sho_Tyme671, Jul 28, 2020
    Replies:
    3
    Views:
    1,581
    atgparker
    Oct 1, 2020

  28. Hey need advice from the pro's again

    Silliw98, Sep 9, 2020
    Replies:
    1
    Views:
    992
    atgparker
    Oct 1, 2020

  29. Lithium Battery in engine bay???

    TOGORUNNER, Aug 23, 2020
    Replies:
    8
    Views:
    5,074
    ryjod
    Sep 26, 2020

  30. K&N Intake vs Nature

    booster, Feb 2, 2017
    Replies:
    2
    Views:
    2,286
    trlhiker
    Sep 22, 2020

  31. K&N CAI Noise

    Rage_RunnerSR5, Sep 3, 2020
    Replies:
    0
    Views:
    918
    Rage_RunnerSR5[OP]
    Sep 3, 2020

  32. TRD catback exhaust and cold air intake concerns

    Gamma Ray, Jul 4, 2020
    Replies:
    5
    Views:
    2,439
    magsrgod
    Jul 27, 2020

  33. Exhausts in the $300-$350 price range?

    brudy4X4, Jun 28, 2020
    Replies:
    4
    Views:
    1,356
    brudy4X4[OP]
    Jun 29, 2020

  34. Gibson dual side outlet exhaust

    Jmurkli417, Jun 20, 2020
    Replies:
    0
    Views:
    1,301
    Jmurkli417[OP]
    Jun 20, 2020

  35. K&N kit on a 2018 Off-Road, what an expensive piece of crap.

    askdrtodd, Feb 15, 2018
    Replies:
    27
    Views:
    4,844
    Barcelona Trail
    Feb 28, 2020

  36. Mechanical help

    89d16a6, Jul 28, 2019
    Replies:
    25
    Views:
    2,951
    MyWyfsRnnr
    Feb 18, 2020

  37. Toyota engine characteristics of the 4L v6 and the 4.7 v8

    tractor john, Jan 10, 2020
    Replies:
    1
    Views:
    1,228
    Dark Knight
    Jan 10, 2020

  38. Spoiler alert! Lol

    4Runner fun, Apr 17, 2019
    Replies:
    20
    Views:
    6,337
    4x Old Guy
    Dec 6, 2019

  39. Muffler length and performance?

    ashod.papazian, Dec 9, 2016
    Replies:
    4
    Views:
    3,473
    SR5 Limited
    Dec 5, 2019

  40. Exhaust tips on 4th gens

    06RoadRunner, Jun 28, 2018
    Replies:
    1
    Views:
    1,670
    Blue 4ever Runner
    Dec 5, 2019

  41. Muffler and exhaust suggestions?

    TacoTeaser, Sep 8, 2018
    Replies:
    7
    Views:
    4,801
    Blue 4ever Runner
    Dec 5, 2019

  42. Cheap TRD exhaust from factory?

    4Runner fun, Nov 27, 2019
    Replies:
    5
    Views:
    2,918
    ForRun
    Nov 27, 2019

  43. S&B filters anyone?

    totmacher, Aug 12, 2018
    Replies:
    5
    Views:
    2,287
    BluetheTruck
    Apr 11, 2019

  44. 3rd Cruise Control: To add or not

    Firstoneman, Apr 4, 2019
    Replies:
    10
    Views:
    2,977
    HoBoDanny
    Apr 10, 2019

  45. Pedal Commander Installed

    MaliciousV-18T4RORP, Sep 7, 2018
    Replies:
    13
    Views:
    7,967
    jtice
    Feb 22, 2019

  46. GM’s V/8 to electric conversion?

    SR5 Limited, Dec 17, 2018
    Replies:
    0
    Views:
    2,309
    SR5 Limited[OP]
    Dec 17, 2018

  47. 2018 Programmer?

    Sparkkky, Oct 14, 2018
    Replies:
    4
    Views:
    2,776
    ruiz4251
    Oct 15, 2018

  48. K&N Cold air intake for sale

    mrzachary_iu, Sep 26, 2018
    Replies:
    0
    Views:
    1,559
    mrzachary_iu[OP]
    Sep 26, 2018

  49. Air intake suggestions?

    Nujkrap, Sep 15, 2016
    Replies:
    14
    Views:
    8,653
    Kritsana21
    Sep 25, 2018

  50. Doug Thorley Mid Pipes -and- Headers ?

    Barcelona Trail, Jul 6, 2018
    Replies:
    0
    Views:
    2,003
    Barcelona Trail[OP]
    Jul 6, 2018
Showing threads 51 to 100 of 113

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