Just picked this up offline and its not going to work properly with my y8 to pass smog. It's designed for a D16z6 92-95 Civic ex. My loss/mistake your gain.

Used DC sports 4-2-1 two piece header, CARB legal but you'll need to contact DC for a replacement CARB sticker (its free)
Located in Ventura County, CA

$120 picked up. Or willing to trade for 96-00 civic parts

 

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Is the 02 sensor on the top part of the header ?

 

unfortunately no, there's only a lower o2 port. 92-95 d16z6 only have the lower o2 port 96-00 d16y8 has the upper and the lower. this is the reason for me selling it. It will bolt up but you'll throw a CEL.

 

will trade for 96-00 civic parts also