1 - Carters hate being run without an air bell or cleaner.
2 - Xtreme lids rob HP compared to a decent size normal filter element. Joe Sherman has made similar findings on Speed Torque.
Your conclusion maybe correct, or there just might a significant difference in the restriction of a K&N vs a Moroso element besides basic area, or the amount of oiling, etc.
I believe most agree on the basic facts, its the conclusions from those facts where we differ.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
