Outerwears 3" Non-Shielded Crank Breather Pre-Filter w/o Top - Red 91609179 Seamless 1/2" copper tubing expanded

Seamless 1/2" copper tubing expanded into aluminum cooling fins for maximum heat transfer

An easy to wear rear tuck flap keeps the jacket from riding up during action periods but still looks great out of the kart

Also included is a -6 AN manifold to run inline with your nitrous feedline

1971-1974 Chevrolet G20 Van

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Outerwears 3" Non-Shielded Crank Breather Pre-Filter w/o Top - Red 91609179 Seamless 1/2" copper tubing expandedOuterwears 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