which side of nozzle does nitrous go?

[Dangerous95lt1]

As you can tell in the picture the nitrous nozzle I bought isn't labeled, I need help knowing which inlet is nitrous and which inlet is fuel

Thanks

[1badz]

My assumption is the straight one would be used for nitrous. Both fuel and nitrous are pressurized so I cannot see a big deal either way, but I would have the nitrous go through the straight inlet and the fuel to the other.