Outerwears 3" Non-Shielded Crank Breather Pre-Filter w/o Top - Black RS007B0109W 350 and 400

350 and 400

Light Smoke or Dark Smoke in standard and fog free variations

HVAC equipment and home theater more Quiet and Comfortable

1984-1984 Isuzu Trooper

Outerwears 3" Non-Shielded Crank Breather Pre-Filter w/o Top - Black RS007B0109W 350 and 400Outerwears 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