Originally Posted by jrb55gh

I have measured the pressure drops across various parts of the stock 370z intake tract at WOT and 7300 rpm to determine where to place the emphasis on reducing restrictions. The engine, intake and exhaust are completely stock except for an EcuTek tune. Your custom cai addresses the most important areas. It would be interesting to know the pressure drop of your cai at the entrance to the throttle body under similar conditions.