that box ? a case of resonance, or more precisely a sopressore of acoustic frequencies to try to muffle a p? the noise of the suction from "van" typical of the 5-cylinder fiat diesel....
then it only serves to muffle a p? noise...
the fluid dynamics with effect helmotz,the effect of the ram pressure waves, negative, positive, or discover and saws mental miscellaneous do not have a beloved ciuffolo...
Quote
