Nismo CAI sounds better than the popcharger especially when you rev it up. Plastic tubing, so it wasn't so bad with heat soak, but the lack of response and the loss of low end sucked more than the heat soak of a popcharger.

 

I was going to try the Nismo CAI next but I wanted peace of mind when it rains. The loss at the low end would have ruined it for me. My car is slow enough.