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Bigger Long Tube Headers!

Discussion in '2nd Gen. Tacomas (2005-2015)' started by Super Werty, Apr 21, 2010.

  1. Apr 21, 2010 at 5:17 PM
    #1
    Super Werty

    Super Werty [OP] Sleeper 4x4

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    Sorry if this is a repost, but I had to share this...

    http://www.fjcruiserforums.com/foru...32-doug-thorley-announce-2010-fj-headers.html...

    "They are pretty much a completely different header from the previous 09 and older model. The new header will feature larger 1 5/8" primaries to handle the additional power and larger exhaust ports as well as a redesigned head flange"


    URD has a few sets in stock...I just ordered a set.:rock:

     
  2. Apr 21, 2010 at 6:10 PM
    #2
    Super Werty

    Super Werty [OP] Sleeper 4x4

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    They fit. Over on XRU the guy who was the test mule did some dyno work with them on his boosted truck

    first he dynoed 292 with original long tubes.....he put the new bigger tubes on and a urd pulley, which has been proven to gain around 20 rwhp

    he dynoed 343....51 hp increase....so these headers are around 30 hp more than the original long tubes.

    assuming dyno and conditions are similar. That is pretty insane.:cool:
     
  3. Apr 21, 2010 at 6:14 PM
    #3
    Voodoo Rufus

    Voodoo Rufus Well-Known Member

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    What happens to the overall torque curve, particularly the low and midrange?
     
  4. Apr 21, 2010 at 6:20 PM
    #4
    ktmrider

    ktmrider Senior Member

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    :popcorn: I may have to get a set and loose them at smog time.:cool:
     
  5. Apr 21, 2010 at 6:20 PM
    #5
    ktmrider

    ktmrider Senior Member

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    Cool, could I possibly get a link?:)
     
  6. Apr 21, 2010 at 7:59 PM
    #6
    Super Werty

    Super Werty [OP] Sleeper 4x4

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  7. Apr 21, 2010 at 8:03 PM
    #7
    yosh2000

    yosh2000 Well-Known Member

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    im thinking the same thing..i believe these were done just for the FI guys..
     
  8. Apr 22, 2010 at 2:43 AM
    #8
    TacoSupreem

    TacoSupreem Dirty Trucker

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    Damn Werty, your gonna have a 12 second off road!
     
  9. Apr 22, 2010 at 10:02 AM
    #9
    memario1214

    memario1214 Vivid Illumination Vendor

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    Yeah, I gots boost
    On an N/A engine, you are better off with the original ones. These new ones have a little bigger piping which I could see helping out the boosted guys. I think that opening up that piping any more while N/A would reduce backpressure too much...
     
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