Aftermarket afr o2 sensor location on a 2015 exhaust
 

Where would the best location for a aftermarket afr o2 sensor location on a 2015 nismo ......my last car was a 350z with a turbo and I had it in the midpipe but it was a single pipe exhaust .....this one has the H-pipe so where would the best place be .....any info would be great.