Outerwears 3" Non-Shielded Crank Breather Pre-Filter w/o Top - Purple Altronics Includes installed +10PSI pressure relief

Includes installed +10PSI pressure relief spring and optional +20 PSI pressure relief spring

4-stage retards

1/2 in NPT Male to 5/8 in Hose Barb

1 1/8" Rear Swaybar

Webbing is double stitched with heavy 24" nylon thread

Outerwears 3" Non-Shielded Crank Breather Pre-Filter w/o Top - Purple Altronics Includes installed +10PSI pressure reliefOuterwears 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