richiep
Club Member
This. Eliminates the detrimental impact of reflected pulses off the inner wing, alongside cooler charge.I remember reading something standing waves, harmonics and reflections off the inside of the airbox vs inner wing. And of course, its cooler air.
They work great - perceptibly more power, better delivery, cooler air eliminating run-on issues in my red car's case.
And yes, they are designed to run trumpets inside (50mm length in my car).