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

Performance

Toyota 4Runner performance (intakes, exhausts, etc)

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  1. Interesting read...

    SR5 Limited, May 7, 2021
    Replies:
    4
    Views:
    1,445
    ruiz4251
    May 7, 2021

  2. Pedal Commander?

    Matt97, Apr 29, 2021
    Replies:
    21
    Views:
    2,604
    gunsnob
    Apr 30, 2021

  3. Transmission Fluid!

    jax410, Apr 19, 2021
    Replies:
    4
    Views:
    3,697
    captsolo
    May 20, 2021

  4. Replaced 19inch flowmaster muffler with 24inch Borla

    Chodermuffin, Apr 15, 2021
    Replies:
    0
    Views:
    1,084
    Chodermuffin[OP]
    Apr 15, 2021

  5. Do you put fuel additives ?

    taco_runner, Apr 14, 2021 ... 2
    Replies:
    55
    Views:
    13,439
    ARB1977
    Dec 12, 2021

  6. 70 mm Throttle Body on 4th Gen $runner

    4runnernutz, Apr 7, 2021
    Replies:
    0
    Views:
    982
    4runnernutz[OP]
    Apr 7, 2021

  7. 3rd Gen cat-back?

    SR5 Limited, Apr 3, 2021
    Replies:
    3
    Views:
    864
    SR5 Limited[OP]
    Apr 5, 2021

  8. Info. On 4 runner

    Cyn_sin, Mar 17, 2021
    Replies:
    4
    Views:
    1,357
    SlvrSlug
    Mar 17, 2021

  9. Sensor please help

    Chelle6421, Feb 10, 2021
    Replies:
    1
    Views:
    1,169
    oljedi11950
    Feb 10, 2021

  10. TRD Pro Exhaust

    Gossamer, Feb 1, 2021 ... 2 3 4
    Replies:
    115
    Views:
    37,626
    ThatGuyTheCooler
    May 19, 2025

  11. 2021 engine performance Issues

    Trailblazzrr, Dec 5, 2020
    Replies:
    11
    Views:
    7,089
    4Runner fun
    Dec 15, 2020

  12. 4TH GEN T4R and REPLACEMENT TRD CAI FITMENT???

    caa010081, Nov 17, 2020
    Replies:
    0
    Views:
    2,339
    caa010081[OP]
    Nov 17, 2020

  13. TRD CAI in 2021 model

    seanzig, Nov 6, 2020
    Replies:
    10
    Views:
    6,296
    4Runner170V
    Nov 7, 2020

  14. Oil change fail

    Cindy, Oct 18, 2020
    Replies:
    21
    Views:
    4,968
    josephp732
    Sep 20, 2021

  15. Supercharging 1GR-FE

    DJNAUST, Oct 3, 2020
    Replies:
    11
    Views:
    6,294
    mZiggy
    Jul 7, 2022

  16. Hey need advice from the pro's again

    Silliw98, Sep 9, 2020
    Replies:
    1
    Views:
    965
    atgparker
    Oct 1, 2020

  17. Larger CAT and/or Exhaust

    taco_runner, Sep 7, 2020
    Replies:
    3
    Views:
    1,545
    PVT Pablo
    Oct 1, 2020

  18. K&N CAI Noise

    Rage_RunnerSR5, Sep 3, 2020
    Replies:
    0
    Views:
    870
    Rage_RunnerSR5[OP]
    Sep 3, 2020

  19. Lithium Battery in engine bay???

    TOGORUNNER, Aug 23, 2020
    Replies:
    8
    Views:
    4,905
    ryjod
    Sep 26, 2020

  20. Magnuson Supercharge Problem

    sgt100, Jul 31, 2020
    Replies:
    5
    Views:
    3,778
    jdm-v35
    Jan 25, 2025

  21. Best carb for offroad application?

    Sho_Tyme671, Jul 28, 2020
    Replies:
    3
    Views:
    1,446
    atgparker
    Oct 1, 2020

  22. 2020 Limited Flowmaster FlowFX Cabin Drone Problem

    magsrgod, Jul 27, 2020
    Replies:
    4
    Views:
    3,639
    SlvrSlug
    Oct 1, 2020

  23. Supercharger for 2020 4Runner

    skyshrink, Jul 19, 2020 ... 2
    Replies:
    58
    Views:
    18,781
    TDotCord
    Sep 20, 2022

  24. TRD catback exhaust and cold air intake concerns

    Gamma Ray, Jul 4, 2020
    Replies:
    5
    Views:
    2,314
    magsrgod
    Jul 27, 2020

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

    brudy4X4, Jun 28, 2020
    Replies:
    4
    Views:
    1,306
    brudy4X4[OP]
    Jun 29, 2020

  26. Gibson dual side outlet exhaust

    Jmurkli417, Jun 20, 2020
    Replies:
    0
    Views:
    1,254
    Jmurkli417[OP]
    Jun 20, 2020

  27. CAI and exhaust worth It???

    SeekNDestroy, Mar 21, 2020
    Replies:
    8
    Views:
    6,080
    2Trex
    Nov 20, 2020

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

    tractor john, Jan 10, 2020
    Replies:
    1
    Views:
    1,181
    Dark Knight
    Jan 10, 2020

  29. Cheap TRD exhaust from factory?

    4Runner fun, Nov 27, 2019
    Replies:
    5
    Views:
    2,812
    ForRun
    Nov 27, 2019

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

    The Blue Pearl, Sep 1, 2019
    Replies:
    23
    Views:
    5,703
    Blackshirt
    Feb 21, 2025

  31. Mechanical help

    89d16a6, Jul 28, 2019
    Replies:
    25
    Views:
    2,857
    MyWyfsRnnr
    Feb 18, 2020

  32. Spoiler alert! Lol

    4Runner fun, Apr 17, 2019
    Replies:
    20
    Views:
    6,169
    4x Old Guy
    Dec 6, 2019

  33. 3rd Cruise Control: To add or not

    Firstoneman, Apr 4, 2019
    Replies:
    10
    Views:
    2,844
    HoBoDanny
    Apr 10, 2019

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

    SR5 Limited, Dec 17, 2018
    Replies:
    0
    Views:
    2,236
    SR5 Limited[OP]
    Dec 17, 2018

  35. 2018 Programmer?

    Sparkkky, Oct 14, 2018
    Replies:
    4
    Views:
    2,710
    ruiz4251
    Oct 15, 2018

  36. K&N Cold air intake for sale

    mrzachary_iu, Sep 26, 2018
    Replies:
    0
    Views:
    1,507
    mrzachary_iu[OP]
    Sep 26, 2018

  37. Muffler and exhaust suggestions?

    TacoTeaser, Sep 8, 2018
    Replies:
    7
    Views:
    4,584
    Blue 4ever Runner
    Dec 5, 2019

  38. Pedal Commander Installed

    MaliciousV-18T4RORP, Sep 7, 2018
    Replies:
    13
    Views:
    7,760
    jtice
    Feb 22, 2019

  39. S&B filters anyone?

    totmacher, Aug 12, 2018
    Replies:
    5
    Views:
    2,193
    BluetheTruck
    Apr 11, 2019

  40. Doug Thorley Mid Pipes -and- Headers ?

    Barcelona Trail, Jul 6, 2018
    Replies:
    0
    Views:
    1,923
    Barcelona Trail[OP]
    Jul 6, 2018

  41. Exhaust tips on 4th gens

    06RoadRunner, Jun 28, 2018
    Replies:
    1
    Views:
    1,629
    Blue 4ever Runner
    Dec 5, 2019

  42. Whistle with TRD intake?

    CollinJ, Jun 8, 2018
    Replies:
    12
    Views:
    4,532
    Dangboi
    Apr 11, 2024

  43. School me, in the differences in platforms

    Kyblack76, May 22, 2018
    Replies:
    9
    Views:
    2,729
    Bullminner
    Jun 7, 2018

  44. "Rally driving" question.

    Elmo the Destroyer, May 3, 2018
    Replies:
    5
    Views:
    2,330
    Texoma
    May 10, 2018

  45. Weird Exhaust Smell?

    Elmo the Destroyer, May 2, 2018
    Replies:
    0
    Views:
    1,425
    Elmo the Destroyer[OP]
    May 2, 2018

  46. Gutless

    Sk8pilot, Mar 22, 2018
    Replies:
    14
    Views:
    3,589
    rkwfxd
    Mar 27, 2018

  47. Thoughts on Weapon R intake?

    Sneakynoshoulders, Mar 12, 2018
    Replies:
    0
    Views:
    1,275
    Sneakynoshoulders[OP]
    Mar 12, 2018

  48. 2018 Exhaust re-route

    SteveNJ, Feb 23, 2018
    Replies:
    0
    Views:
    1,201
    SteveNJ[OP]
    Feb 23, 2018

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

    my runner, Feb 20, 2018 ... 2
    Replies:
    39
    Views:
    14,491
    BortisYeltzen
    Apr 4, 2023

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

    askdrtodd, Feb 15, 2018
    Replies:
    27
    Views:
    4,762
    Barcelona Trail
    Feb 28, 2020
Showing threads 51 to 100 of 112

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