1. Welcome to Tacoma World!

    You are currently viewing as a guest! To get full-access, you need to register for a FREE account.

    As a registered member, you’ll be able to:
    • Participate in all Tacoma discussion topics
    • Communicate privately with other Tacoma owners from around the world
    • Post your own photos in our Members Gallery
    • Access all special features of the site

Secondary Air Filter

Discussion in '2nd Gen. Tacomas (2005-2015)' started by dalesrn, Apr 22, 2009.

  1. Apr 22, 2009 at 3:51 AM
    #1
    dalesrn

    dalesrn [OP] Tacoma TSS

    Joined:
    Dec 10, 2007
    Member:
    #3784
    Messages:
    469
    Gender:
    Male
    First Name:
    Dale
    Southeast Louisiana
    Vehicle:
    2008 Tacoma PreRunner DC with TSS Package
    Borla exhaust system, Sirius Satellite Radio, Chrome package, Trailer Hitch, Clazzio Leather seat covers, TSS badging, Anytime on fog lights mod, Daytime driving lights mod, Dual backseat DVD players w/monitors, 3rd Brake Light "TSS" mod, Bed pocket lights mod, Seat belt chime mod, Bed storage compartment auxillary outlet mod, Shorty antenna, Armor Lid Tonneau Cover, Line of Fire tailgate light
    Does anyone know if removing the secondary air filter improves gas mileage or performance?
     
  2. Apr 22, 2009 at 4:16 AM
    #2
    Burns

    Burns Well-Known Member

    Joined:
    Jun 19, 2007
    Member:
    #1871
    Messages:
    3,665
    Gender:
    Male
    NJ
    Vehicle:
    Truck is Sold
    Welcome to the site! Some people say yes some say no. Gadget @ URD has dyno'd our trucks and he has found zero difference.
     
  3. Apr 22, 2009 at 4:18 AM
    #3
    T@co_Pr3runn3r

    T@co_Pr3runn3r XXXXXXXXXXXXXXXXXXX

    Joined:
    Jan 20, 2009
    Member:
    #12767
    Messages:
    11,951
    Gender:
    Male
    <----------------->
    Vehicle:
    08 RC Prerunner SR5
    On v6 or 4?
     
  4. Apr 22, 2009 at 4:35 AM
    #4
    Burns

    Burns Well-Known Member

    Joined:
    Jun 19, 2007
    Member:
    #1871
    Messages:
    3,665
    Gender:
    Male
    NJ
    Vehicle:
    Truck is Sold
    4.0 v6
     
  5. Apr 22, 2009 at 5:50 AM
    #5
    T@co_Pr3runn3r

    T@co_Pr3runn3r XXXXXXXXXXXXXXXXXXX

    Joined:
    Jan 20, 2009
    Member:
    #12767
    Messages:
    11,951
    Gender:
    Male
    <----------------->
    Vehicle:
    08 RC Prerunner SR5
    I think the only ones noticing anything would be on the 4s....a nano difference if any on my 2.7...........nope wasn't dyno'd probably just placebo effect but there is less stuff in the way of air entering the engine so I'm just honoring the concept.
     
  6. Apr 22, 2009 at 5:52 AM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

    Joined:
    May 8, 2008
    Member:
    #6497
    Messages:
    106,187
    Gender:
    Male
    First Name:
    FlimFlubberJAM
    Tenoe, AZ
    Vehicle:
    2013 Rubicon Unlimited,
    4.10 gears, sliders, and lots of buttons.
    Makes no difference on the 4.0.
     
  7. Apr 22, 2009 at 6:37 AM
    #7
    ELKAHOLIC

    ELKAHOLIC Well-Known Member

    Joined:
    Jun 11, 2008
    Member:
    #7243
    Messages:
    384
    Gender:
    Male
    Edgewood Texas
    Vehicle:
    2016 DCLB OFFROAD 4X4 Quicksand
    Icon suspension, Toyo AT2's, Marshall Fab sliders, Built Right uca's, BAMF grill, Cali Raised led light, Bakflip fibermax, Husky mats, Clazzio leather
    It seemed to make a diff in my 2.7 but I took it out with only 1000 miles so it could have been break in. Then at 14000 miles I put it back in and it was week and ran kinna crappy I'm glad I took mine out.:D
     
  8. Apr 22, 2009 at 6:55 AM
    #8
    dalesrn

    dalesrn [OP] Tacoma TSS

    Joined:
    Dec 10, 2007
    Member:
    #3784
    Messages:
    469
    Gender:
    Male
    First Name:
    Dale
    Southeast Louisiana
    Vehicle:
    2008 Tacoma PreRunner DC with TSS Package
    Borla exhaust system, Sirius Satellite Radio, Chrome package, Trailer Hitch, Clazzio Leather seat covers, TSS badging, Anytime on fog lights mod, Daytime driving lights mod, Dual backseat DVD players w/monitors, 3rd Brake Light "TSS" mod, Bed pocket lights mod, Seat belt chime mod, Bed storage compartment auxillary outlet mod, Shorty antenna, Armor Lid Tonneau Cover, Line of Fire tailgate light
    If it does not seem to make a difference on the V6, why does it seem so many people are removing it?
     
  9. Apr 22, 2009 at 6:59 AM
    #9
    TacticalBacon13

    TacticalBacon13 Sorry for party rockin'

    Joined:
    Mar 24, 2008
    Member:
    #5480
    Messages:
    16,169
    Gender:
    Male
    First Name:
    Dunk
    Beech Creek
    Vehicle:
    2014 tundra platinum
    baby seat and a muffler
    I just took mine out it was pretty easy all you have to do is remove the air box by taking out 2 screws remove all the little clips and hoses take the air box out, set it on a bench and have at those little plastic clips nothing to it about 15 min and your done By the way i didnt really notice an increase in power but it sounds cooler now lol.
     
  10. Apr 22, 2009 at 7:03 AM
    #10
    Joe B

    Joe B Well-Known Member

    Joined:
    Oct 27, 2008
    Member:
    #10290
    Messages:
    806
    For the placebo effect.;) :D
     
  11. Apr 22, 2009 at 7:26 AM
    #11
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

    Joined:
    May 8, 2008
    Member:
    #6497
    Messages:
    106,187
    Gender:
    Male
    First Name:
    FlimFlubberJAM
    Tenoe, AZ
    Vehicle:
    2013 Rubicon Unlimited,
    4.10 gears, sliders, and lots of buttons.
    Exactly.

    I think alot of people want to "Belive" they are improveing their engine performance. I showed 06Bluez, and Brianr yesterday how well the stock intake actually flows when compared with an "Cold Air Intake" (AFE). The charcoal filter is there to capture any "Fumes" that may be left in the intake uppon shut down. If it was a restrictive item in the intake, it would, indeed, cause the engine to burn more fuel during the running of the engine, thus leading to a higher emissions out put. Given the size of the filter vs. the amount of air the TB can flow, it has no affect on the engine. I removed mine to run some tests, and I regret it, as It cant be reinstalled if removed. Well, it CAN, but I have since destroyed the filter. I tested the filter on a device with a larger flow than the OEM throttle body, and the only time I started to see a restriction, was when it was flowing about 2.8 times the flow of what the throttle body is capable of accepting. In other words, the only way the engine would even begine to "feel" this filter is if it was force inducted.
     
  12. Apr 22, 2009 at 7:28 AM
    #12
    Janster

    Janster Old & Forgetful

    Joined:
    Mar 25, 2007
    Member:
    #1138
    Messages:
    14,256
    Gender:
    Female
    First Name:
    Jandy
    Lancaster, PA
    Vehicle:
    2016 GMC Canyon SLT w/ LineX and....
    You might notice a very TINY itty bitty increase in throttle response, especially if you STOMP on the gas....but normal driving...nothing really.
     
  13. Apr 22, 2009 at 3:10 PM
    #13
    WilsonTheDog

    WilsonTheDog Kylie's dad

    Joined:
    Nov 17, 2007
    Member:
    #3496
    Messages:
    4,837
    Gender:
    Male
    First Name:
    Eric
    Myrtle Beach SC
    Vehicle:
    07 Prerunner SR5 DC/SB V6
    Magnaflow 12576 muffler & chrome tip, Westin step bars, 27% tint, Pop N Lock, AFE ProdryS, bed mat, Husky liners, D-rings added, Access Literider tonneau, Pioneer 4-ways all around, GY Wrangler Duratracs 265/75/16, 5100's @ 1.75", 1.5" AAL
    ^I noticed it jumps off the line more (throttle response) but that's it.

    There is absolutely no harm in removing it, though. Consider that all the aftermarket CAI's remove it.
     
  14. Apr 22, 2009 at 3:12 PM
    #14
    DanGer

    DanGer Avatar approved by 98tacomav6

    Joined:
    Jun 7, 2008
    Member:
    #7155
    Messages:
    5,494
    Gender:
    Male
    Northern Virginia & Blacksburg
    Vehicle:
    07 Base 4Cyl 4x4 Manual
    White Head Light mod, White shorty antennae, Doug Thorley Long Tube headers, AFE Drop in air filter, Secondary Air Filter Removed,
    On my truck i notice 0 difference at first, but about 5000 miles later all the sudden my butt dyno registered a very noticeable increase of power
     
  15. Apr 22, 2009 at 3:12 PM
    #15
    WilsonTheDog

    WilsonTheDog Kylie's dad

    Joined:
    Nov 17, 2007
    Member:
    #3496
    Messages:
    4,837
    Gender:
    Male
    First Name:
    Eric
    Myrtle Beach SC
    Vehicle:
    07 Prerunner SR5 DC/SB V6
    Magnaflow 12576 muffler & chrome tip, Westin step bars, 27% tint, Pop N Lock, AFE ProdryS, bed mat, Husky liners, D-rings added, Access Literider tonneau, Pioneer 4-ways all around, GY Wrangler Duratracs 265/75/16, 5100's @ 1.75", 1.5" AAL
    ^That was the chili you ate for dinner.
     
  16. Apr 22, 2009 at 3:16 PM
    #16
    DanGer

    DanGer Avatar approved by 98tacomav6

    Joined:
    Jun 7, 2008
    Member:
    #7155
    Messages:
    5,494
    Gender:
    Male
    Northern Virginia & Blacksburg
    Vehicle:
    07 Base 4Cyl 4x4 Manual
    White Head Light mod, White shorty antennae, Doug Thorley Long Tube headers, AFE Drop in air filter, Secondary Air Filter Removed,
    well it absolutely befuddled me because all the sudden it was much peppier and great throttle response. I was at school and had not modified anything then all the sudden BAM i spun out leaving my parking space
     
  17. Apr 22, 2009 at 3:19 PM
    #17
    DanGer

    DanGer Avatar approved by 98tacomav6

    Joined:
    Jun 7, 2008
    Member:
    #7155
    Messages:
    5,494
    Gender:
    Male
    Northern Virginia & Blacksburg
    Vehicle:
    07 Base 4Cyl 4x4 Manual
    White Head Light mod, White shorty antennae, Doug Thorley Long Tube headers, AFE Drop in air filter, Secondary Air Filter Removed,
  18. Apr 22, 2009 at 5:10 PM
    #18
    09 tacoma trd

    09 tacoma trd Well-Known Member

    Joined:
    Jan 26, 2009
    Member:
    #12994
    Messages:
    153
    Gender:
    Male
    ontario, canada
    Vehicle:
    2009 black tacoma dbl cab trd sport
    i took it out and found no power increase or mileage increase but the air intake seems a little louder
     
To Top