K&N Drag Racing Scoop Filters

Now you can protect the motor in your drag car from dust and debris on the track and in the pits with these filters. These units are engineered with two filter elements to provide maximum airflow and protection. Designed to fit specific scoop designs popular to drag racing today. 

Inside Scoop Mount Filters

The filters below mount inside the front lip of the scoop and are held in place with Dzus fasteners. Oval dual element filter fits the Harwood™ scoop model 3175-15. Round dual element filter fits the Quarter-Max^® hood scoop.

28-4135  Harwood 3175-15 Scoop Filter 28-4145 Harwood 3160, 3161, 3164 & 3166 Scoop Filter; Door Car  (15" Deep) 28-4150 Harwood 3160, 3161, 3164 & 3166 Scoop Filter (same as 28-4145 except 9-1/8" deep) 28-4155 Harwood Scoop 3152 Filter; Rail Dragster

28-4140  Quarter-Max RJF1 Scoop Filter 28-4180  Harwood Scoop 3182 Filter; Door Car 28-4185 Quarter-max RJF1 Scoop Filter (same as 28-4140 except 11-5/8" deep);  Door Car

 Base Mount Scoop Filters

28-4165 Used with K&N Composite NHRA Scoop part # 100-8505 &  Harwood 3158 Scoop

K&N Racing Cone Filters

These filters are designed for the popular Formula Atlantic and Super Vee style cars, used in racing today. The filters fit into the air scoops and allow plenty of fresh clean air to enter the engine, but keep the small stones, tire dust and other racetrack debris from demolishing the engine. There is a hole at the small end of the filter to allow debris to exit the air scoop. Used by top teams around the country. The filters were designed for the vehicles listed below, but can probably be adapted to a wide variety of applications.

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