Outerwears Air Filter Pre-Filter Assembly - 14" x 3" Element - Red H778C31XL 3/16 in Female Pushlock x

3/16 in Female Pushlock x 3/16 in Female Pushlock x 3/16 in Pushlock Female

Single Bottle

2002-2006 Hummer H1

3/8 in NPT Male Thread

1999-2005 GMC Sierra 1500 Fleetside 78

Outerwears Air Filter Pre-Filter Assembly - 14" x 3" Element - Red H778C31XL 3/16 in Female Pushlock xOuterwears 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