K&N Round Tapered Universal Air Filter 6in Flange ID x 7.5in Base OD x 4.5in Top OD x 6in H 2003-infiniti-qx4-esi9722086 This allows your engine to

This allows your engine to inhale a larger amount of air than the factory air intake

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This performance module increases turbo boost

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K&N Round Tapered Universal Air Filter 6in Flange ID x 7.5in Base OD x 4.5in Top OD x 6in H 2003-infiniti-qx4-esi9722086 This allows your engine toK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure