Allstar Performance Electric Tear Off Machine Install Kit H774009L which includes side ports

which includes side ports

Vent has a 1/2" wide mounting flange and a centered outlet that accepts most 1-1/4" helmet hoses

Racing and riding is more than what you do

the FIA has made some alterations:

STATE OF THE ART HEAD PROTECTION

Allstar Performance Electric Tear Off Machine Install Kit H774009L which includes side portsElectric Tear Off machine will quickly provide clear vision with the simple push of a button. Lightweight unit mounts to your shield and includes two clear rolls of 50 foot film (equal to 65 standard tear offs), sealed aluminum motor housing, quick disconnects, and velcro. Works with 12 and 16 volt systems. Choose installation kit with steering wheel or dash mount button, sold separately. Specialty items for the Shop, Trailer and Track. The Allstar