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Doug Thorley Header Install on 2.7

Discussion in 'Performance and Tuning' started by fourbanger4x2, Jan 7, 2017.

  1. Jan 7, 2017 at 6:40 PM
    #1
    fourbanger4x2

    fourbanger4x2 [OP] Member

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    2009 2.7l 4x2 manual transmission
    I don't have a lot of mechanical experience my self and wanted to get a header and install it my self. I tried checking different forums to see if anyone had information regarding the subject but haven't found much. Was wondering if anyone has a list of items needed for the install along with pictures of their install. Or if you had issues with the DT header. Thanks.
     
  2. Jan 7, 2017 at 6:46 PM
    #2
    WheelInTheSky

    WheelInTheSky Ramblin' Man

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    1. Buy Header
    2. Did Header come with hardware? If yes, use that. If no, either reuse stock hardware or buy new studs and nuts.
    3. Take off old Header
    4. Install new Header
    5. If new Header does not match up with stock exhaust, reroute. If it does match up, you're done.
     
  3. Jan 7, 2017 at 6:47 PM
    #3
    US Marine

    US Marine Semper Fi

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    Gallatin Tennessee
    Vehicle:
    02 Pre Runner supercharged 4cyl
    TRD supercharger , Doug Thorley header , K&N CAI 265/75-16 Toyo open country mud terrain , 15x8 Method Racing wheels , Rancho 3" lift , 4.88 gears , Detroit Locker
    Here's mine ... Had a hi perf muffler shop install mine , took 3hrs and cost me $80 labor

    KIMG0023_optimized.jpg

    KIMG0026_optimized.jpg

    KIMG0027.jpg
     
    ChemDawg likes this.
  4. Jan 7, 2017 at 6:56 PM
    #4
    WheelInTheSky

    WheelInTheSky Ramblin' Man

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    You know a shop that charges $27/hour labor?
     
  5. Jan 7, 2017 at 6:56 PM
    #5
    US Marine

    US Marine Semper Fi

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    First Name:
    Chuck
    Gallatin Tennessee
    Vehicle:
    02 Pre Runner supercharged 4cyl
    TRD supercharger , Doug Thorley header , K&N CAI 265/75-16 Toyo open country mud terrain , 15x8 Method Racing wheels , Rancho 3" lift , 4.88 gears , Detroit Locker
    To answer your question the Doug Thorley header I've got which is a TRI Y Shorty header came with all hardware and header gaskets needed for an easy install
     
  6. Jan 7, 2017 at 6:57 PM
    #6
    US Marine

    US Marine Semper Fi

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    Chuck
    Gallatin Tennessee
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    02 Pre Runner supercharged 4cyl
    TRD supercharger , Doug Thorley header , K&N CAI 265/75-16 Toyo open country mud terrain , 15x8 Method Racing wheels , Rancho 3" lift , 4.88 gears , Detroit Locker
    Yep !!!
     
  7. Jan 7, 2017 at 6:59 PM
    #7
    WheelInTheSky

    WheelInTheSky Ramblin' Man

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    Is that a personal connection, or are you willing to share name of the shop with us?
     
  8. Jan 7, 2017 at 7:04 PM
    #8
    US Marine

    US Marine Semper Fi

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    First Name:
    Chuck
    Gallatin Tennessee
    Vehicle:
    02 Pre Runner supercharged 4cyl
    TRD supercharger , Doug Thorley header , K&N CAI 265/75-16 Toyo open country mud terrain , 15x8 Method Racing wheels , Rancho 3" lift , 4.88 gears , Detroit Locker
    I know the owner and have been taking my street /strip car there for almost 10 years . He does have very good prices for anyone needing work !!
     
  9. Jan 14, 2017 at 9:35 PM
    #9
    fourbanger4x2

    fourbanger4x2 [OP] Member

    Joined:
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    2009 2.7l 4x2 manual transmission
    thank you guys. Have any of you guys had flanges break. I'm just a little hesitant to install the header because I don't want to be in and out of the shop fixing a part that I'd like to get to better my taco.
     
  10. Jan 15, 2017 at 12:38 AM
    #10
    US Marine

    US Marine Semper Fi

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    Messages:
    14,740
    Gender:
    Male
    First Name:
    Chuck
    Gallatin Tennessee
    Vehicle:
    02 Pre Runner supercharged 4cyl
    TRD supercharger , Doug Thorley header , K&N CAI 265/75-16 Toyo open country mud terrain , 15x8 Method Racing wheels , Rancho 3" lift , 4.88 gears , Detroit Locker
    My 2.7 is Supercharged either on a 4.5psi or 8psi tune , this creates a lot of heat for the header . The nickle coating doesn't show any heat damage and the header has been in the motor now since June 2016
     

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