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

Performance

Toyota 4Runner performance (intakes, exhausts, etc)

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  1. Locked

    YotaWerx Tuning Services, Development, and Feedback

    mZiggy, Aug 7, 2021 ... 7 8 9
    Replies:
    264
    Views:
    108,905
    TWTaco
    Apr 28, 2024

  2. Cold air intake for performance and mileage?

    GB4x4, Jul 13, 2017 ... 2 3 4
    Replies:
    90
    Views:
    58,707
    Higgbra73
    Mar 26, 2024

  3. Pedal Commander review

    WTW15, Jan 16, 2018 ... 2 3
    Replies:
    88
    Views:
    53,966
    Jrunr
    Nov 3, 2021

  4. TRD Pro Exhaust

    Gossamer, Feb 1, 2021 ... 2 3 4
    Replies:
    115
    Views:
    37,858
    ThatGuyTheCooler
    May 19, 2025

  5. 4th Gen K&N Cold Air Intake

    wnelax04sr5, Apr 7, 2014
    Replies:
    17
    Views:
    21,566
    wnelax04sr5[OP]
    May 28, 2015

  6. Supercharger for 2020 4Runner

    skyshrink, Jul 19, 2020 ... 2
    Replies:
    58
    Views:
    18,836
    TDotCord
    Sep 20, 2022

  7. Toyota Performance Chips

    Grey_BoCo, Mar 20, 2022 ... 2
    Replies:
    30
    Views:
    16,689
    BortisYeltzen
    Jun 22, 2024

  8. When to Regear??

    1SilverRunner, Jan 17, 2024 ... 4 5 6
    Replies:
    151
    Views:
    14,600
    Ksny15
    Feb 6, 2024

  9. Exhaust mods 4.0 v 6 to improve power, gas mileage?

    my runner, Feb 20, 2018 ... 2
    Replies:
    39
    Views:
    14,593
    BortisYeltzen
    Apr 4, 2023

  10. Do you put fuel additives ?

    taco_runner, Apr 14, 2021 ... 2
    Replies:
    55
    Views:
    13,539
    ARB1977
    Dec 12, 2021

  11. Air intake suggestions?

    Nujkrap, Sep 15, 2016
    Replies:
    14
    Views:
    8,517
    Kritsana21
    Sep 25, 2018

  12. Supercharged 4Runners

    Superrunner, Feb 7, 2024 ... 2
    Replies:
    49
    Views:
    8,412
    thomason84
    Oct 18, 2024

  13. Pedal Commander Installed

    MaliciousV-18T4RORP, Sep 7, 2018
    Replies:
    13
    Views:
    7,780
    jtice
    Feb 22, 2019

  14. Magnuson Supercharger

    Bend_4R, Aug 20, 2024 ... 2 3
    Replies:
    61
    Views:
    7,539
    thomason84
    Apr 3, 2025

  15. K&n air filter void warranty??

    Gp4rnr, Aug 26, 2014
    Replies:
    9
    Views:
    7,505
    booster
    Feb 6, 2017

  16. 2021 engine performance Issues

    Trailblazzrr, Dec 5, 2020
    Replies:
    11
    Views:
    7,171
    4Runner fun
    Dec 15, 2020

  17. Borla, Gibson or aFe?

    kymira13, Aug 4, 2021 ... 2
    Replies:
    30
    Views:
    6,486
    4onto
    Jul 9, 2025 at 11:59 PM

  18. Supercharging 1GR-FE

    DJNAUST, Oct 3, 2020
    Replies:
    11
    Views:
    6,352
    mZiggy
    Jul 7, 2022

  19. TRD CAI in 2021 model

    seanzig, Nov 6, 2020
    Replies:
    10
    Views:
    6,311
    4Runner170V
    Nov 7, 2020

  20. Warm up / High Idle

    Chucklehead, Nov 14, 2021
    Replies:
    11
    Views:
    6,244
    Scotty4run
    Mar 2, 2025

  21. Spoiler alert! Lol

    4Runner fun, Apr 17, 2019
    Replies:
    20
    Views:
    6,198
    4x Old Guy
    Dec 6, 2019

  22. CAI and exhaust worth It???

    SeekNDestroy, Mar 21, 2020
    Replies:
    8
    Views:
    6,125
    2Trex
    Nov 20, 2020

  23. Seafoam - love it or hate it ???

    The Blue Pearl, Sep 1, 2019
    Replies:
    23
    Views:
    5,744
    Blackshirt
    Feb 21, 2025

  24. SEMA 2015: Magnuson Supercharges Toyota Pickups Where TRD Left Off

    T-Rex266, Jan 12, 2016
    Replies:
    3
    Views:
    5,679
    burnurass
    Aug 26, 2017

  25. Oil change fail

    Cindy, Oct 18, 2020
    Replies:
    21
    Views:
    5,013
    josephp732
    Sep 20, 2021

  26. Lithium Battery in engine bay???

    TOGORUNNER, Aug 23, 2020
    Replies:
    8
    Views:
    4,927
    ryjod
    Sep 26, 2020

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

    askdrtodd, Feb 15, 2018
    Replies:
    27
    Views:
    4,775
    Barcelona Trail
    Feb 28, 2020

  28. URD 76mm Throttle Body

    Vito Corleone, Aug 23, 2023
    Replies:
    26
    Views:
    4,638
    Greg D
    Oct 17, 2024

  29. Muffler and exhaust suggestions?

    TacoTeaser, Sep 8, 2018
    Replies:
    7
    Views:
    4,619
    Blue 4ever Runner
    Dec 5, 2019

  30. Whistle with TRD intake?

    CollinJ, Jun 8, 2018
    Replies:
    12
    Views:
    4,570
    Dangboi
    Apr 11, 2024

  31. TRD Cold Air Intake on 2017 ??

    Vintage, Sep 9, 2017
    Replies:
    8
    Views:
    4,180
    Vintage[OP]
    Oct 20, 2017

  32. Complete cat delete.

    07Limited4X4, Jul 8, 2022
    Replies:
    2
    Views:
    4,020
    07Limited4X4[OP]
    Jul 8, 2022

  33. TRD/URD install on a 5VZ-FE

    Husky Driver, Jan 21, 2016
    Replies:
    3
    Views:
    3,979
    Husky Driver[OP]
    Mar 27, 2016

  34. snow driving in parking lots sucks - normal or just a me issue?

    girlcat4runner, Oct 30, 2024 ... 2 3
    Replies:
    68
    Views:
    3,902
    djwantke
    Nov 13, 2024

  35. Magnuson Supercharge Problem

    sgt100, Jul 31, 2020
    Replies:
    5
    Views:
    3,796
    jdm-v35
    Jan 25, 2025

  36. Transmission Fluid!

    jax410, Apr 19, 2021
    Replies:
    4
    Views:
    3,724
    captsolo
    May 20, 2021

  37. 2020 Limited Flowmaster FlowFX Cabin Drone Problem

    magsrgod, Jul 27, 2020
    Replies:
    4
    Views:
    3,655
    SlvrSlug
    Oct 1, 2020

  38. Gutless

    Sk8pilot, Mar 22, 2018
    Replies:
    14
    Views:
    3,593
    rkwfxd
    Mar 27, 2018

  39. Muffler length and performance?

    ashod.papazian, Dec 9, 2016
    Replies:
    4
    Views:
    3,251
    SR5 Limited
    Dec 5, 2019

  40. Getting super low MPG with my 2023 SR5

    mgm4runner, Sep 11, 2023
    Replies:
    12
    Views:
    2,952
    Yotaholic
    Sep 12, 2023

  41. 3rd Cruise Control: To add or not

    Firstoneman, Apr 4, 2019
    Replies:
    10
    Views:
    2,878
    HoBoDanny
    Apr 10, 2019

  42. Mechanical help

    89d16a6, Jul 28, 2019
    Replies:
    25
    Views:
    2,875
    MyWyfsRnnr
    Feb 18, 2020

  43. Cheap TRD exhaust from factory?

    4Runner fun, Nov 27, 2019
    Replies:
    5
    Views:
    2,832
    ForRun
    Nov 27, 2019

  44. School me, in the differences in platforms

    Kyblack76, May 22, 2018
    Replies:
    9
    Views:
    2,737
    Bullminner
    Jun 7, 2018

  45. 2018 Programmer?

    Sparkkky, Oct 14, 2018
    Replies:
    4
    Views:
    2,720
    ruiz4251
    Oct 15, 2018

  46. Pedal Commander?

    Matt97, Apr 29, 2021
    Replies:
    21
    Views:
    2,627
    gunsnob
    Apr 30, 2021

  47. FlowMaster Outlaw Exhaust

    col_carroll, Jun 27, 2023
    Replies:
    8
    Views:
    2,588
    ChessGuy
    Jul 7, 2025

  48. Exhaust suggestions

    jtdashark, Apr 15, 2017
    Replies:
    5
    Views:
    2,475
    4runner52
    Apr 16, 2017

  49. ATX area (Austin, TX) Tuning

    Texoma, Dec 2, 2023
    Replies:
    9
    Views:
    2,354
    Texoma[OP]
    Sep 27, 2024

  50. Uses for Carista?

    DangitDad, Feb 24, 2024
    Replies:
    12
    Views:
    2,353
    DangitDad[OP]
    Feb 26, 2024
Showing threads 1 to 50 of 112

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