Quote:
Originally Posted by weiboy718
When I did a oil change the other day, I saw where Sam welded a bung in. It's located more to the top of the cat pipe on the passenger side of course before the cat's.
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Yep closest to exhaust always gets you most accurate AFR. On a turbo car you can't place them as close without a spacer/heat sink due to the heat but with SC you should be able to put them as close to the header/manifold as you want.