intake test

I notice on the new roush kits they have an enclosed intake. but on 90% of after market intakes and some stock intakes they have the open filter. some pages ive seen say this is purely to cut noise, but some people theorize that the enclosed box cuts down on heat. anyone know for sure or the...

Picking Up Power ID Motorsports tests Mustang intake manifolds on a 5.0-liter F-150 pickup By Steve Turner Photos courtesy of Ford Motor Company and ID Motorsports Of late we’ve been covering a lot of tests involving intake manifolds that fit the Coyote family of engines in Mustangs. From...