K&N Universal Clamp-On Air Filter 3-7/8in FLG / 7-1/2in B / 5in T / 7in H Fuel Delivery>Fuel Pressure Regulators none of the components of

none of the components of our AWE Porsche 991 Carrera Performance Exhaust affect or alter any of the emissions devices on the vehicle

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when the cast iron friction ring becomes worn after a period of use

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K&N Universal Clamp-On Air Filter 3-7/8in FLG / 7-1/2in B / 5in T / 7in H Fuel Delivery>Fuel Pressure Regulators none of the components ofK&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