Originally Posted by ard

Not in the least.

You seem to be falling for the "they use our brand in a race car, it must be good for your grocery-getter" logic.

RACE CARS NEED NO AIR FILTERS. Do you not 'get' this? They are rebuilt regularly... running minimal viscosity, or allowing contamination into the motor are both fine compromises for a race motor.

There is no such thing as a free lunch- you trade flow rate for efficiency. It doesnt matter what names you wrap around that, the physics does not change.