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

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:
    108,835
    TWTaco
    Apr 28, 2024

  2. When to Regear??

    1SilverRunner, Jan 17, 2024 ... 4 5 6
    Replies:
    151
    Views:
    14,545
    Ksny15
    Feb 6, 2024

  3. TRD Pro Exhaust

    Gossamer, Feb 1, 2021 ... 2 3 4
    Replies:
    115
    Views:
    37,825
    ThatGuyTheCooler
    May 19, 2025

  4. Cold air intake for performance and mileage?

    GB4x4, Jul 13, 2017 ... 2 3 4
    Replies:
    90
    Views:
    58,666
    Higgbra73
    Mar 26, 2024

  5. Pedal Commander review

    WTW15, Jan 16, 2018 ... 2 3
    Replies:
    88
    Views:
    53,917
    Jrunr
    Nov 3, 2021

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

    girlcat4runner, Oct 30, 2024 ... 2 3
    Replies:
    68
    Views:
    3,883
    djwantke
    Nov 13, 2024

  7. Magnuson Supercharger

    Bend_4R, Aug 20, 2024 ... 2 3
    Replies:
    61
    Views:
    7,509
    thomason84
    Apr 3, 2025

  8. Supercharger for 2020 4Runner

    skyshrink, Jul 19, 2020 ... 2
    Replies:
    58
    Views:
    18,813
    TDotCord
    Sep 20, 2022

  9. Do you put fuel additives ?

    taco_runner, Apr 14, 2021 ... 2
    Replies:
    55
    Views:
    13,524
    ARB1977
    Dec 12, 2021

  10. Supercharged 4Runners

    Superrunner, Feb 7, 2024 ... 2
    Replies:
    49
    Views:
    8,397
    thomason84
    Oct 18, 2024

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

    my runner, Feb 20, 2018 ... 2
    Replies:
    39
    Views:
    14,574
    BortisYeltzen
    Apr 4, 2023

  12. Borla, Gibson or aFe?

    kymira13, Aug 4, 2021 ... 2
    Replies:
    30
    Views:
    6,447
    4onto
    Jul 9, 2025 at 11:59 PM

  13. Toyota Performance Chips

    Grey_BoCo, Mar 20, 2022 ... 2
    Replies:
    30
    Views:
    16,654
    BortisYeltzen
    Jun 22, 2024

  14. Throttle controller (5th gen)

    bronzestar1, Nov 27, 2024
    Replies:
    27
    Views:
    1,572
    Lost Woods
    Nov 29, 2024

  15. 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

  16. URD 76mm Throttle Body

    Vito Corleone, Aug 23, 2023
    Replies:
    26
    Views:
    4,631
    Greg D
    Oct 17, 2024

  17. YotaWerx Stryker dyno sheet

    Aerodan, Sep 14, 2024
    Replies:
    25
    Views:
    2,156
    thomason84
    Nov 17, 2024

  18. Mechanical help

    89d16a6, Jul 28, 2019
    Replies:
    25
    Views:
    2,873
    MyWyfsRnnr
    Feb 18, 2020

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

    The Blue Pearl, Sep 1, 2019
    Replies:
    23
    Views:
    5,739
    Blackshirt
    Feb 21, 2025

  20. Oil change fail

    Cindy, Oct 18, 2020
    Replies:
    21
    Views:
    5,008
    josephp732
    Sep 20, 2021

  21. Pedal Commander?

    Matt97, Apr 29, 2021
    Replies:
    21
    Views:
    2,625
    gunsnob
    Apr 30, 2021

  22. Spoiler alert! Lol

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

  23. 4th Gen K&N Cold Air Intake

    wnelax04sr5, Apr 7, 2014
    Replies:
    17
    Views:
    21,545
    wnelax04sr5[OP]
    May 28, 2015

  24. Air intake suggestions?

    Nujkrap, Sep 15, 2016
    Replies:
    14
    Views:
    8,516
    Kritsana21
    Sep 25, 2018

  25. Gutless

    Sk8pilot, Mar 22, 2018
    Replies:
    14
    Views:
    3,592
    rkwfxd
    Mar 27, 2018

  26. Pedal Commander Installed

    MaliciousV-18T4RORP, Sep 7, 2018
    Replies:
    13
    Views:
    7,778
    jtice
    Feb 22, 2019

  27. Whistle with TRD intake?

    CollinJ, Jun 8, 2018
    Replies:
    12
    Views:
    4,563
    Dangboi
    Apr 11, 2024

  28. Uses for Carista?

    DangitDad, Feb 24, 2024
    Replies:
    12
    Views:
    2,339
    DangitDad[OP]
    Feb 26, 2024

  29. Getting super low MPG with my 2023 SR5

    mgm4runner, Sep 11, 2023
    Replies:
    12
    Views:
    2,942
    Yotaholic
    Sep 12, 2023

  30. Warm up / High Idle

    Chucklehead, Nov 14, 2021
    Replies:
    11
    Views:
    6,233
    Scotty4run
    Mar 2, 2025

  31. New 4Runner owner

    MNC1093, Jan 3, 2025
    Replies:
    11
    Views:
    848
    ChessGuy
    Jan 4, 2025

  32. Supercharging 1GR-FE

    DJNAUST, Oct 3, 2020
    Replies:
    11
    Views:
    6,344
    mZiggy
    Jul 7, 2022

  33. 2021 engine performance Issues

    Trailblazzrr, Dec 5, 2020
    Replies:
    11
    Views:
    7,152
    4Runner fun
    Dec 15, 2020

  34. Coolant Drain / Fill

    Scarif_1, Aug 8, 2024
    Replies:
    10
    Views:
    863
    morfdq
    Jul 9, 2025 at 5:42 AM

  35. Super 10 Muffler

    cookatron, Aug 21, 2023
    Replies:
    10
    Views:
    1,627
    SlvrSlug
    Aug 21, 2023

  36. TRD CAI in 2021 model

    seanzig, Nov 6, 2020
    Replies:
    10
    Views:
    6,309
    4Runner170V
    Nov 7, 2020

  37. 3rd Cruise Control: To add or not

    Firstoneman, Apr 4, 2019
    Replies:
    10
    Views:
    2,873
    HoBoDanny
    Apr 10, 2019

  38. ATX area (Austin, TX) Tuning

    Texoma, Dec 2, 2023
    Replies:
    9
    Views:
    2,350
    Texoma[OP]
    Sep 27, 2024

  39. Driving in S

    The1moe1, Jun 28, 2024
    Replies:
    9
    Views:
    1,652
    Acesandeights
    Aug 22, 2024

  40. School me, in the differences in platforms

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

  41. K&n air filter void warranty??

    Gp4rnr, Aug 26, 2014
    Replies:
    9
    Views:
    7,499
    booster
    Feb 6, 2017

  42. FlowMaster Outlaw Exhaust

    col_carroll, Jun 27, 2023
    Replies:
    8
    Views:
    2,576
    ChessGuy
    Jul 7, 2025 at 6:35 PM

  43. Magnuson Installed and first 600 miles

    Brett Tech, Jun 22, 2024
    Replies:
    8
    Views:
    1,325
    JRcali4runner
    Jul 1, 2024

  44. Pedal Commander

    Tyotor, Oct 10, 2023
    Replies:
    8
    Views:
    1,840
    bronzestar1
    Feb 9, 2024

  45. CAI and exhaust worth It???

    SeekNDestroy, Mar 21, 2020
    Replies:
    8
    Views:
    6,119
    2Trex
    Nov 20, 2020

  46. Lithium Battery in engine bay???

    TOGORUNNER, Aug 23, 2020
    Replies:
    8
    Views:
    4,923
    ryjod
    Sep 26, 2020

  47. TRD Cold Air Intake on 2017 ??

    Vintage, Sep 9, 2017
    Replies:
    8
    Views:
    4,178
    Vintage[OP]
    Oct 20, 2017

  48. Engine noise

    dcgolfer01, Nov 29, 2023
    Replies:
    7
    Views:
    1,533
    Rob41
    Dec 1, 2023

  49. Muffler and exhaust suggestions?

    TacoTeaser, Sep 8, 2018
    Replies:
    7
    Views:
    4,612
    Blue 4ever Runner
    Dec 5, 2019

  50. Sniv Speed Shop - Supercharger Upgrades, Custom Parts and Design

    snivilous, Dec 31, 2024
    Replies:
    6
    Views:
    820
    1SilverRunner
    Jan 29, 2025
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