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Thread: Group Buy for 3.4L Doug Thorley Headers

  1. #1

    Group Buy for 3.4L Doug Thorley Headers

    Hey guys I wanted to inform you all of a group buy at CT. I didnt see anythign about no GB in the rules so if this is breaking a rule feel free to delete, or move to different section.

    http://www.customtacos.com/forum/showthread.php?t=88960

    Just passing this deal on to you guys...

    The company that manufactures the TRD headers came out with its own revised/upgraded version - addressing the pitfalls/shortcomings with the TRD headers in terms of leaks and installation difficulty. The result is a combination of JBA and TRD so to speak.

    Dyno runs, pics of the product, pics of the product installed are all in the following link.

    PRICES:
    20 people - $481 for Chrome
    15 people - $516 for chrome

    20 people - $547 for Ceramic
    15 people - $582 Ceramic






    Just continue the list on the last page if interested.

    Prototype Pictures:


    Production Model:


    Production Model Stainless Steel Ceramic Coated Installed:


    Dynograph Showing Gains:

  2. #2

    Re: Group Buy for 3.4L Doug Thorley Headers

    NO ONE WANTS SOME NEW HEADERS???????

    Just a little more info for you all.

    We have a new 30 person price which we have hit


    THY-507-S EGR application:

    $518 Chrome / 30 people
    $579 Ceramic / 30 people

    Non-EGR application:

    $446 Chrome/ 30 people
    $512 Ceramic/ 30 people


    Anyone want in on this great deal? Who knows, the price could come down with a few more. But they are a smoking deal already.

    and some info FWI: These have been run for a couple thousand miles on one truck so far with no leaks and no bluing.

  3. #3

    Re: Group Buy for 3.4L Doug Thorley Headers

    Do you mind if I post this on toyotanation.com too?
    '99 Taco PreRunner V6 3.4L auto

  4. #4

    Re: Group Buy for 3.4L Doug Thorley Headers

    Nope, the more people that know about it the better. If anyone is interested, its easiest if they sign up over there for it. But if not Im sure things can get figured out.

  5. #5

    Re: Group Buy for 3.4L Doug Thorley Headers

    Thank you very much for posting this. I have contacted Chris and will be placing an order for the EGR ceramic .
    Thanks Again
    Mudrunner
    Alex Mohr

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