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The K&N 33-2530 replacement air filter is engineered specifically for Porsche 911 models from 1978 to 1989, including 3.0L and 3.5L turbocharged engines. Crafted with layered, oiled cotton media, this high-flow filter is designed to optimize airflow, resulting in improved horsepower and engine performance. Its washable and reusable construction ensures long-lasting performance, making it an ideal upgrade for enthusiasts seeking both durability and enhanced engine efficiency. The filter easily installs into the factory air box, providing a seamless upgrade without the need for additional modifications. With K&N*s 10-Year/Million Mile Limited Warranty, you can trust in the quality and longevity of this performance part, which is built to last for the entire lifespan of your vehicle. The filter's design also offers exceptional protection against contaminants, helping to maintain engine health and reliability over time. Whether you're looking to boost horsepower or simply improve airflow, this K&N replacement filter is a reliable choice for Porsche 911 owners aiming for optimal engine performance and protection. Its compatibility with a range of Porsche 911 years ensures a perfect fit, making installation straightforward and hassle-free, so you can enjoy improved engine response and efficiency with minimal effort.
Features:
Fitment:
1971 BMW 3.0CSi Base
1971 BMW 3.0Si Base
1975 BMW 3.0Si Base
1977 Porsche 911 Turbo Carrera
1978 Porsche 911 SC
1978 Porsche 930 Turbo
1979 Porsche 911 SC
1979 Porsche 930 Turbo
1980 Porsche 911 SC
1981 Porsche 911 SC
1982 Porsche 911 SC
1983 Porsche 911 SC
1986 Porsche 911 Turbo Carrera
1987 Porsche 911 Turbo Carrera
1988 Porsche 911 Turbo Carrera
1989 Porsche 911 Carrera 4
1989 Porsche 911 Turbo Carrera
1990 Porsche 911 Carrera 2
1990 Porsche 911 Carrera 4
1991 Porsche 911 Carrera 2
1991 Porsche 911 Carrera 4
1991 Porsche 911 Turbo
1992 Porsche 911 Carrera 2
1992 Porsche 911 Carrera 4
1992 Porsche 911 Turbo
1993 Porsche 911 Carrera 2
1993 Porsche 911 Carrera 4
1993 Porsche 911 RS America
1993 Porsche 911 Turbo 3.6
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Return Window
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After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
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Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
