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Thread: Header Recommendatons

  1. #41
    Senior Member Xusia's Avatar
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    ^You are, of course, absolutely right. I don't know if I want to do business with a company that is:
    1. Inflexible
    2. Doesn't understand what you just said

  2. #42
    Senior Member AZPete's Avatar
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    I hope you paid with a credit card.
    818S/C : Chassis #25 with 06 WRX 2.5 turbo, ABS, cruise, PS, A/C, Apple CarPlay, rear camera, power windows & locks, leather & other complexities. Sold 10/19 with 5,800 miles.
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  3. #43
    Senior Member metros's Avatar
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    It was never technically installed as that would mean all the bolts were attached.

  4. #44
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    Hello folks, don't mean to revive a thread from the dead but wanted to give some input to this Killer B header issue.

    So the Killer B header essentially fits all 02-05 WRX, and 04-07 STi. It should also fit all 08+ WRX, and STi but will NOT fit 06-07 WRX, LGT, and Forester XT this is because of the oil cooler, it is angled.

    Here are some photos:

    Not noticable as much from the top, but at an angle...


    It is a noticeable change as opposed to this one...


    Here is a STRAIGHT Cooler:


    Please let us know if you have any questions!

  5. #45
    Senior Member C.Plavan's Avatar
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    What header would fit with my angled oil cooler?
    Thanks- Chad
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  6. #46
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    A custom made one from techworks. I will let you know how it fits when mine shows up this week. Tom's also a vendor.

  7. #47
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    Quote Originally Posted by 07FIREBLADE View Post
    A custom made one from techworks. I will let you know how it fits when mine shows up this week. Tom's also a vendor.
    Did you ever receive the custom header? Does it hang below the frame rails? Is there any aftermarket header that fits an EJ257 engine and doesn't hang below the frame in the 818? I am debating what to do about my exhaust and this thread doesn't have any clear conclusions.

    Let me know what happened in your case.

    Thanks,

    -Mike
    Last edited by bossman43; 08-09-2014 at 06:34 PM.

  8. #48
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    AJW,

    I have an EJ257 from 2006 STi donor with the oil heat exchanger deleted and the Killer B oil pan. Will the Killer B Holy Header hang below the frame in an 818? If it fits, I am interested in getting one. Let us know...

    Thanks,

    -Mike

  9. #49
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    Reviving this to bring some closure to the frame clearance issue. From what I gather above and from my searches on other posts, the following is how much people have reported each header protrudes BELOW the frame on the 818, disregarding motor mount selection:

    Killer B - 2" below
    Perrin EL - (one reports 3/8" below with picture, another reports 1/2" above with no picture)
    Full Race - ??
    OEM - clears?

    Any testimonials for clearance with the frame for the above choices?

  10. #50
    Senior Member Bob_n_Cincy's Avatar
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    Quote Originally Posted by Zach34 View Post
    Reviving this to bring some closure to the frame clearance issue. From what I gather above and from my searches on other posts, the following is how much people have reported each header protrudes BELOW the frame on the 818, disregarding motor mount selection:

    Killer B - 2" below
    Perrin EL - (one reports 3/8" below with picture, another reports 1/2" above with no picture)
    Full Race - ??
    OEM - clears?

    Any testimonials for clearance with the frame for the above choices?

    Zach,
    I'm running an wrx OEM exhaust manifold. I installed a belly pan that ramps from the square bar behind the gas tank area to the square bar below the motor mounts.

    The exhaust touches my pan at the right end joint of the crossover pipe.



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  11. #51
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    Wayne said the NEW Perrin E4 headers clear the frame.

  12. #52
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    Thanks guys. Updated:

    Killer B - 2" below
    Perrin EL - (one reports 3/8" below with picture, another reports 1/2" above with no picture)
    Perrin E4 (PSP-EXT-055)?? - clears (per Wayne)
    Full Race - ??
    OEM - flush with frame

  13. #53
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    I used a afe header it fit real nice on my sec 818 on the first one i used a tomioka and it drops 2 in below the frame

  14. #54
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    aFe Power - clears
    Full Race - ??
    Killer B - 2" below
    Perrin EL - (one reports 3/8" below with picture, another reports 1/2" above with no picture)
    Perrin E4 (PSP-EXT-055)?? - clears (per Wayne)
    OEM - flush with frame
    Tomioka - 2" below

  15. #55
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    The JDM Twin scroll header with OEM heat shields between 3/8 to 1/2 (i think it is closer to 3/8) below the cockpit frame rail.

  16. #56
    Senior Member Bob_n_Cincy's Avatar
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    Quote Originally Posted by Mitch Wright View Post
    The JDM Twin scroll header with OEM heat shields between 3/8 to 1/2 (i think it is closer to 3/8) below the cockpit frame rail.
    Mitch,
    Thanks for referencing to the header to the cockpit frame.
    I like the list that Zack is putting together. But the reference needs to be the same for each header on the list.
    Using the bottom of the cockpit frame is one method.
    As second method would be measuring with a straight edge between cockpit and motor mount bar.
    Which method is Best?
    Also, we might want to and oil pan clearances to this list.
    Bob
    818S #22 Candy Blue Frame, Front Gas Tank, 2.5L Turbo, Rear radiator, Shortened Transmission, Wookiee Compatible, Console mounted MR2 Shifter, Custom ECU panel, AWIC soon
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  17. #57
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    Bob, it makes sense to me to take the measurements from the lowest point on the chassis.

  18. #58
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    aFe Power - clears
    Full Race - ??
    JDM twin scroll w/heat shields - 1/2 to 3/8" below
    Killer B - 2" below
    Perrin EL - (one reports 3/8" below with picture, another reports 1/2" above with no picture)
    Perrin E4 (PSP-EXT-055)?? - clears (per Wayne)
    OEM - flush with frame
    Tomioka - 2" below

  19. #59
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    Quote Originally Posted by Zach34 View Post
    aFe Power - clears
    Full Race - ??
    JDM twin scroll w/heat shields - 1/2 to 3/8" below
    Killer B - 2" below
    Perrin EL - (one reports 3/8" below with picture, another reports 1/2" above with no picture)
    Perrin E4 (PSP-EXT-055)?? - clears (per Wayne)
    OEM - flush with frame
    Tomioka - 2" below
    Tomei UEL - 2" below (http://thefactoryfiveforum.com/showt...-length-header)
    It should also be added that the Tomei UEL doesn't play nice either... Unfortunately, I bought the Tomei UEL for my 818s... and looks like I will now be swapping my Tomei UEL with my Perrin UEL (which isn't made any longer) on my DD WRX to source a header that actually plays nice with the 818... :-/
    Last edited by axelthrasher; 05-30-2017 at 09:25 AM.

  20. #60
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    aFe Power - clears
    Full Race - ??
    JDM twin scroll w/heat shields - does not clear (1/2 to 3/8" below)
    Killer B - does not clear (2" below)
    Perrin EL - ?? (one reports 3/8" below with picture, another reports 1/2" above with no picture)
    Perrin E4 (PSP-EXT-055)?? - clears (per Wayne) (FFRSpec72 reports 1/4" clearance)
    OEM - clears (flush with frame)
    Tomei UEL - does not clear (2" below (http://thefactoryfiveforum.com/showt...-length-header))
    Tomioka - does not clear (2" below)


    Updated with some clarity added. Would be nice to fill in some blanks, specifically the following:

    -How much does the aFe Power clear the frame?
    -I know somebody has tried the Full Race headers. Can we get a definitive clearance yes/no?
    -Can someone supply a good picture and specify which engine/engine mounts used of the Perrin EL so we can settle that?
    -Verify part number of the Perrin E4. This seems to be emerging as the go-to aftermarket header choice.
    Last edited by Zach34; 05-27-2017 at 01:20 AM.

  21. #61
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    Quote Originally Posted by Zach34 View Post
    aFe Power - clears
    Full Race - ??
    JDM twin scroll w/heat shields - does not clear (1/2 to 3/8" below)
    Killer B - does not clear (2" below)
    Perrin EL - ?? (one reports 3/8" below with picture, another reports 1/2" above with no picture)
    Perrin E4 (PSP-EXT-055)?? - clears (per Wayne) (FFRSpec72 reports 1/4" clearance)
    OEM - clears (flush with frame)
    Tomei UEL - does not clear (2" below (http://thefactoryfiveforum.com/showt...-length-header))
    Tomioka - does not clear (2" below)


    Updated with some clarity added. Would be nice to fill in some blanks, specifically the following:

    -How much does the aFe Power clear the frame?
    -I know somebody has tried the Full Race headers. Can we get a definitive clearance yes/no?
    -Can someone supply a good picture and specify which engine/engine mounts used of the Perrin EL so we can settle that?
    -Verify part number of the Perrin E4. This seems to be emerging as the go-to aftermarket header choice.

    Also, I don't know if it changes engine height but motor mounts may influence clearance.

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