K&N

RK-3931

K&N RK-3931 Harley Davidson Air Filter Kit

EAN: 0182682470347

UPC: 024844244147

SKU: Z40-3932

Air Filters

Estimated horsepower gain of 6.54 HP at 5100 RPM
Dyno-tuned velocity stack
Excellent Air Filtration
Washable and reusable lifetime air filter
Not legal for highway use in states adopting California emission regulations

K&N Air Cleaner Assemblies are designed to get more horsepower from your Harley-Davidson motorcycle. These air cleaner assemblies replace the stock air filter and backplate with an oversized K&N Air Filter and custom aluminum backing plate. These assemblies utilizes the stock cover to maintain stock appearance.

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