Outerwears Air Filter Pre-Filter Assembly w/ Top - 14" x 5" Element - Black 36004BL 25 in outputWhether you want

25 in outputWhether you want a complete performance exhaust system that's ready to bolt on

Latest Patented Technology

Thunderbirds

so they mount in the factory location and simply plug-in to factory connector

check for bent or leaking valves

Outerwears Air Filter Pre-Filter Assembly w/ Top - 14" x 5" Element - Black 36004BL 25 in outputWhether you wantOuterwears 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