AFR gauge with o2 sensor worth it or not?

dukeboy_318 said

my opinion is yes. to me, its a tuning tool and worth it.

btw:

https://www.amazon.com/dp/B00N3VGPYS/?tag=fabo03-20

Click to expand...

Yup that is the one, and it is in my cart! That is a good price. Just hovering over the place order button :)