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Weird mirror mount humps

Discussion in '3rd Gen Tundras (2014+)' started by gdisarray, Jun 11, 2019 at 7:25 AM.

  1. Jun 11, 2019 at 7:25 AM
    #1
    gdisarray

    gdisarray [OP] New Member

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    What are these humps for? They are on the mirror mounts on my 2019 SR5.

    IMG_20190611_091716.jpg
     
  2. Jun 11, 2019 at 7:28 AM
    #2
    JoshuaA

    JoshuaA Behind every great mod is a wife rolling her eyes

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    Voyagermike likes this.
  3. Jun 11, 2019 at 7:32 AM
    #3
    JoshuaA

    JoshuaA Behind every great mod is a wife rolling her eyes

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  4. Jun 11, 2019 at 7:33 AM
    #4
    texasrho83

    texasrho83 Teacher in a Tundra

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    I've done a little..
    aerodynamics is my guess
     
  5. Jun 11, 2019 at 7:33 AM
    #5
    gdisarray

    gdisarray [OP] New Member

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    Ahhh. Vortex generators. On a Tundra!
     
  6. Jun 11, 2019 at 7:41 AM
    #6
    NewImprovedRon

    NewImprovedRon "220, 221- WHATEVER IT TAKES" - Michael Keaton

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    When I bought my 2015, I asked the same question of the salesman at the dealership and was told aerodynamics. They pointed out those as well as the spiral on the OEM antenna, which is supposed to decrease wind noise on the antenna. I suspect more hype than substance. The probable truth to it is that it adds more to the cost of manufacture or replacement. But, then again, I am old and cynical...:)
     
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  7. Jun 11, 2019 at 7:48 AM
    #7
    Black@Blue19

    Black@Blue19 New Member

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    They are suppose to keep the mirrors from whistling at you when going close to the 90 mph range,,, aaaaa that is what was told to me. My 13 TSS would whistle all the time going out 10 West to the lease!!!:)
     
  8. Jun 11, 2019 at 7:51 AM
    #8
    Navy Jumper

    Navy Jumper Airborne Paratrooper

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    More hype for sure....
    I wouldn't believe that "sales" guy to know much with technology, only because that was my job in the military.
    https://en.wikipedia.org/wiki/Helical_antenna
     
    Last edited: Jun 11, 2019 at 8:09 AM
  9. Jun 11, 2019 at 7:55 AM
    #9
    texasrho83

    texasrho83 Teacher in a Tundra

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    I've done a little..
    Salesmen. Kinda like that ol' urban legend that you can throw your ride in reverse going over 40mph and your truck won't seize and blow up..............................
     
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  10. Jun 11, 2019 at 8:05 AM
    #10
    mtTundra

    mtTundra New Member

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  11. Jun 11, 2019 at 8:06 AM
    #11
    cmiller219

    cmiller219 New Member

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    The Tacoma has a couple more than we do. Its as everyone else said aero and wind noise
     
  12. Jun 11, 2019 at 8:41 AM
    #12
    NewImprovedRon

    NewImprovedRon "220, 221- WHATEVER IT TAKES" - Michael Keaton

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    I read somewhere that Ford is going to be mounting these in their F150 truck bed for increased MPG...

    [​IMG]
     
    texasrho83, Navy Jumper and 15whtrd like this.
  13. Jun 11, 2019 at 8:47 AM
    #13
    15whtrd

    15whtrd Mr. Blonde

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    So myth busters had that episode where they changed the surface of a vehicle to resemble a golf ball. If I remember correctly it got better gas mileage. So maybe a hail storm is natures way of helping you out.
     
  14. Jun 11, 2019 at 8:51 AM
    #14
    VTYOTA

    VTYOTA I DECLARE BANKRUPTCY!!

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    You only see the effects of the fins at super sonic speeds. Just bypass the engine governor.
     
  15. Jun 11, 2019 at 9:04 AM
    #15
    Tundra234

    Tundra234 New Member

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    4Runners have them too.
     
  16. Jun 11, 2019 at 11:04 AM
    #16
    mambo143

    mambo143 New Member

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    I noticed these last week on my truck and was impressed with the fine detail. I was thinking toyota hired a design engineer that previously worked with wind tunnel testing in the aircraft or racing industry. Regardless, Whether functional or not, they are very cool , someone had to convince someone, who had to convince someone... to add to the complexity, and probably the cost, for that tiny design change.
     

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