2015 K&N Racing Contingency Program Requirements for USCS Modified Series
K&N USCS Modified Series: Air Filter
To be eligible, competitor must have a K&N air filter on the engine air intake (carburetor, fuel injection, etc.) of the race vehicle. The K&N filter must be functional. Crankcase ventilation filters or other ventilation filters are not accepted. The competitor must have a 36 square inch K&N decal affixed to the race vehicle. 1st place competitors will be presented with product certificates worth $150, 4th place competitors $100, and 5th place competitors $75. K&N product certificates are to be redeemed through K&N at K&N's published retail price schedule.