Outerwears Air Filter Pre-Filter Assembly w/ Top - 14" Element x 4" Element - Red Metric to AN Fittings 75" diameter signiture the Stealth

75" diameter signiture the Stealth HD quickener will practically disappear once installed

GM F-Body 1969-76

1975-1986 Ford F-150

125 Inch Thick

Outerwears Air Filter Pre-Filter Assembly w/ Top - 14" Element x 4" Element - Red Metric to AN Fittings 75" diameter signiture the StealthOuterwears was created to fulfill a desperate need to keep the Air filter and engine clean during off road racing. Racers and engine builders were experiencing loss of horsepower and engine damage due to sand, dirt, and other debris prematurely packing (clogging) the filter and often passing through the filter into the engine. Filters loading up with dirt meant loss of horsepower and in many cases loss of a race. Race crews were noticing severe engine