Im running a side exit dump off my turbo routed out the front bumper...Total length about 20", where would be the best place to mount the bung for the o2? I dont' wanna place it too close to the turbo, yet wanna keep it away from outside air...thanks for the help.

 

Don't worry about placing it too close to the turbo, oe manufacturers do that all the time, look at the eclipse, o2 sensor is practically buried in the turbo outlet. Just put it as close as you can to the charger and still have it easily accessible.