When I removed the OEM scoop and compared it to the AIS, I couldn’t believegobble said:It seems to me that both the stock intake and the AIS funnel air into the same hole in the air filter housing. If there is no ram air effect like most speculate
the difference.
Best analogy I have is if you were to tape a straw to your mouth so you could only breathe through the straw. Start running. That's the OEM scoop.