Originally Posted by Mike Rainbird

They actually tested this on a Type RA Scoob in this month's Japanese Performance. Was VERY funny, as the cone filter seller had just said that it was a load of bollocks about cone filters losing power through sucking in hot air in a recent interview.

Guess what, it lost a SIGNIFICANT amount of power to the point where the journalist (who also owns the car) decided of his own accord that the OE air box WAS best and would be put back .