the injen ones ones sit in the wheel arch are very good for low and mid range torque.
your set up, as long as the piping feeding air to it actually works, woul d be ok once the car is actually moving. but from standstill isnt so good as they get heat soak. i had a similar set up and when i turned it off after a drive the intake pipe use to be pretty warm. i have a setup like the injen now and after a good drive the intake pipe is still nice and cold.
if you can get a sealed box around your pod with a cold air feed to it you'll have a really good set up. comptech makes such an intake