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Which Doug Thorley header part number do I need?

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Which Doug Thorley header part number do I need?

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Old 03-19-2010, 10:15 PM
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Which Doug Thorley header part number do I need?

hey guys, i searched, but couldnt seem to find an answer to my question. i have an 87 pickup with a 22r that needs a new header, so i figure if your gonna do it, why do it half ass. So im gonna slap a doug thorley header on there, but i want to be sure im getting the right ones. they say itll fit a 1987 pickup, but i want to be sure. im looking at the 550-Y tri-y header. any advice? thanks guys

yotabro

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Old 03-19-2010, 11:51 PM
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bump...
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Old 03-20-2010, 01:54 AM
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Why are you trying to find "headers" plural when your truck only needs a header?
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Old 03-20-2010, 09:40 AM
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sorry i had an s on there. yes i mean header
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Old 03-20-2010, 10:24 AM
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As long as you meant 550Y, and have a 22R (carbureted), and not 22RE (fuel injected), it should work. Fuel injected would need the 555Y header.
http://www.dougthorleyheaders.com/pr...D2/35/sfID3/39
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Old 03-20-2010, 10:47 AM
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yea, 550Y. thanks for the help. so i was looking at it, and why is ceramic more expensive? what does it do?
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Old 03-20-2010, 03:29 PM
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the ceramic coating is so that the header radiates less heat. Not that big of a deal in our trucks, but if you put it into a cramped say supra/celica engine bay then I would spring for the coating.
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Old 03-20-2010, 03:47 PM
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oh yea ok. aite i ordered the crome 550Y header. Cant wait till i get it and slap that baby out! thanks for the help guys.
Also, one more question. is a torque wrench definitely needed to put this thing back on? i just dont really want to spend extra money if i dont have to you know..

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Old 03-20-2010, 05:47 PM
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how is that chrome header coming along...

on my old a 82 deluxe i had a header and cat. that was it for my exhaust system
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Old 03-20-2010, 05:50 PM
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he just ordered it...it's prolly still at the factory dont ya think.......

and i have a 20R header on my '86 22R =P
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Old 03-20-2010, 07:40 PM
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Oh man I'm jealous of you!!
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Old 03-24-2010, 03:07 PM
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dammit!!! i just got a call from the place i ordered it from and apparently Doug Thorley is discontinuing the production of the chrome 550Y header. and apparently they did it right before i bought them so i was pissed. so i had to pay $65 extra for the ceramic coated header and now they wont be here for another week.
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Old 03-24-2010, 03:40 PM
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Originally Posted by 87yotabro87 View Post
dammit!!! i just got a call from the place i ordered it from and apparently Doug Thorley is discontinuing the production of the chrome 550Y header. and apparently they did it right before i bought them so i was pissed. so i had to pay $65 extra for the ceramic coated header and now they wont be here for another week.
did you try and see if someone else had it in stock? like summit or jegs?
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Old 03-24-2010, 04:28 PM
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no... didnt think of that at the time... but these guys gave me a huge discount so its still prolly cheaper than what they would sell it to me for. watever.
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Old 03-24-2010, 04:48 PM
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good deal, can't wait to see what you think of it.

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Old 03-25-2010, 03:10 AM
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Is the ceramic coating on the inside or the outside of the pipe?
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