TWIN AIR Air Filter - Prairie 151913 Fork Cover Derby cover gasket also included

Derby cover gasket also included

Cylinder Specific Ignition Timing

while allowing more airflow than two separate layer filters (flow bench proven) Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance

The head pipe is a critical part of your exhaust system and once in a while you may crash or take a rock to the head pipe causing damage which could result in lost power

standing up against rocks

TWIN AIR Air Filter - Prairie 151913 Fork Cover Derby cover gasket also includedDual bonded foam design filters out even the smallest dirt particles, while allowing more airflow than two separate layer filters (flow bench proven)Twin Air filters are slightly smaller than stock to make them easier to change and to increase dead air space around the filter for better performance Flat foam sealing ring securely seats against the airbox, even in the worst riding conditions