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Discussion Starter #1
I've had my header on my car for a little over a year now. Bought it used off cl from a guy who said it's an mk2 header. He was planning on putting it on his mk3 but sold it before he had a chance to install.
It has 3 o2 ports on it: on up close to cyl 1, one after the bend on cyl 3 and one at the collector. It's a 4-1 style.

I was talking with another user last night about it (he has an fswerks mk2 header) and said his only had 2 o2 ports.

Thanks for the help in figuring out where this header is from! 20170225_121856.jpg
 

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#dailydriven
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6,103 Posts
Well it doesnt look like the fswerks header, I can you that at least.

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#dailydriven
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Looks like the weapon r header for the mk2.

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Discussion Starter #4
Looks like the weapon r header for the mk2.

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I was just reading about the weapon r and they were saying it's a 4-2-1
 

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Discussion Starter #5
And the header I have is a 2 piece header. Flex pipe bolts to the header
 

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#dailydriven
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Well shoot, it's the only one I could find with o2 sensors like that. Trying posting in the mk2 section and see if they recognize it.

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