Performance Overview

Constructed with 100% polyurethane on all four sides, this high flow "oil-free" OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide maximum convenience and easy maintenance. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Integrated urethane bump seal insures tight, no leak seal over the life of the filter.

Key Features

• Brand: aFe Power
• Part number: 31-10311
• Product type: Magnum FLOW Pro DRY S Panel OE Replacement Air Filter
• Designed for the compatible vehicle applications listed on this page

Vehicle Fitment

• 1974 Porsche 911 Base, Carrera, S 2.7L
• 1975 Porsche 911 Carrera, S 2.7L
• 1976 Porsche 911 S 2.7L
• 1977 Porsche 911 S 2.7L
• 1978 Porsche 911 Sc 3.0L
• 1979 Porsche 911 Sc 3.0L
• 1980 Porsche 911 Sc 3.0L
• 1981 Porsche 911 Sc 3.0L

FAQ

Will this fit my vehicle?
Please verify your year, make, model, position, and any fitment notes using the compatibility list above before purchase.

What part number is this?
The listed part number is 31-10311.

Is this product designed for direct replacement?
Yes. This product is intended to match compatible vehicle applications listed in the fitment section.

Should I confirm fitment before ordering?
Yes. Always compare your original part, position, and vehicle details with the fitment chart before ordering.

Common Searches

• Magnum FLOW Pro DRY S Panel OE Replacement Air Filter for Porsche 911 Base, Carrera, S 2.7L
• 31-10311 fitment
• aFe Power Magnum FLOW Pro DRY S Panel OE Replacement Air Filter
• 1974 Porsche 911 Base, Carrera, S 2.7L Magnum FLOW Pro DRY S Panel OE Replacement Air Filter

Vehicle Fitment Table