Longacre Ultra Lightweight Aluminum Air Tank Lifestyle allows the user to hear

allows the user to hear two radios at once

5mm mono speakers and velcro mounting

The Brey Krause R-9281 Seat Mount installs directly to the factory manual or power sliders on the driver or passenger side of BMW F8x & E9x 3-Series Sedans and Coupes (including the M3)

the Rotary style sensor measures up to an inch of travel

forced-air circulation to the helmet

Longacre Ultra Lightweight Aluminum Air Tank Lifestyle allows the user to hearLongacre's Portable Ultra Lightweight Aluminum Air Tank features a special inlet valve for quick filling from your home compressor. This base unit includes a 4 foot hose with quick release end so you can attach your accessory of choice (Quick Fill Gauge and other accessories not included).