Outerwears Air Filter Pre-Filter Assembly w/ Top - 14" Element x 4" Element - Orange 4101XLGBK 2-Port Body with dual AN-12

2-Port Body with dual AN-12 inlet/outlet ports and one AN-12 return port

49 State Performance Intake System

For automatic transmissions use #1483 or #1844

The 5622 3-bolt for GM LS7/LS9 is different from the 5621 due to the different sized harmonic balancer bolt

Outerwears Air Filter Pre-Filter Assembly w/ Top - 14" Element x 4" Element - Orange 4101XLGBK 2-Port Body with dual AN-12Outerwears 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