K&N Engineering 33-2591 High-Flow Replacement Air Filter for Porsche 928

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product! K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty. Associated products: 99-5000 Filter Care Service Kit Aerosol

• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• Million Mile Limited Warranty

Upgrade the factory air intake system in your Porsche 928 with the K&N Engineering 33-2591 High-Flow Replacement Air Filter. Designed as a direct drop-in replacement for the original equipment filter, this reusable performance filter fits inside the factory air box for a straightforward installation without major intake modifications. Its layered, oiled cotton filter media is engineered to improve airflow while capturing contaminants before they reach the engine.

The K&N 33-2591 is washable, reusable, and designed to provide reliable service throughout the life of your vehicle when properly maintained. Increased airflow may help support improved horsepower and throttle response while maintaining effective engine protection. Unlike disposable filters, the reusable design helps reduce waste from replacement filters and packaging entering landfills. For cleaning and re-oiling, use the K&N 99-5000 Filter Care Service Kit Aerosol.

• Feature: High-flow layered, oiled cotton media supports improved airflow and efficient contaminant capture.
• Feature: Reusable construction is washable and designed to last for the life of the vehicle with proper care.
• Feature: Direct drop-in replacement installs in the factory air box without requiring major modifications.
• Feature: Backed by K&N's 10-Year/Million Mile Limited Warranty for long-term product support.

Key Product Specifications & Technical Data

• Brand: K&N Engineering
• Part Number: 33-2591
• Product Type: Automotive replacement air filter
• Filter Style: Drop-in high-flow air filter
• Filter Media: Layered, oiled cotton
• Serviceability: Washable and reusable
• Warranty: 10-Year/Million Mile Limited Warranty
• Associated Maintenance Product: K&N 99-5000 Filter Care Service Kit Aerosol

What's Included: One K&N Engineering 33-2591 reusable high-flow replacement air filter.

Fitment: Designed to fit select 1987–1995 Porsche 928 applications, including model years 1987, 1988, 1989, 1990, 1991, 1993, 1994, and 1995. Verify vehicle application before installation.

Features:

• High-flow layered, oiled cotton media supports improved airflow and efficient contaminant capture.
• Reusable, washable construction is designed for long-term service with proper maintenance.
• Direct drop-in replacement installs in the factory air box without major modifications.
• Backed by K&N's 10-Year/Million Mile Limited Warranty.

Fitments:
1978 Porsche 928 Base
1979 Porsche 928 Base
1980 Porsche 928 Base
1981 Porsche 928 Base
1982 Porsche 928 Base
1983 Porsche 928 S
1984 Porsche 928 S
1985 Porsche 928 S
1986 Porsche 928 S
1987 Porsche 928 S4
1988 Porsche 928 S4
1989 Porsche 928 S4
1990 Porsche 928 Base
1990 Porsche 928 GT
1991 Porsche 928 Base
1991 Porsche 928 GT
1993 Porsche 928 GTS
1994 Porsche 928 GTS
1995 Porsche 928 GTS

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1