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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://www.design91.uk/images/schemaLogo.png https://www.design91.uk/images/schemaLogo.png +443456003478 https://www.design91.uk Facebook Instagram
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Product Information
Product Information
Replacement Air filter.
OE Match engine air filter manufactured as a direct replacement for the factory intake filter on Porsche 911 (991) models with the standard air intake system. Designed to replicate original equipment specifications for fit, filtration performance, and airflow, it helps protect the engine while ensuring a consistent supply of clean, unrestricted air.
Sold each, 2 filters required per vehicle.

Fits:
Porsche 991.1 Carrera 2012 - 2016
Porsche 991.1 (911) R 2014 - 2017
Porsche 991.1 GT3 3.8L 2014 - 2017
Porsche 991.2 GT3 4.0L 2017 - 2020 (cars without touring package)
 * Not for GT3 RS models

Diagram ref no 5

The primary role of an engine air filter is to clean the air entering the engine’s intake system. As the engine draws in air for combustion, it also pulls in pollutants and particles from the environment. Without an effective filter, these contaminants can cause abrasive wear to pistons, valves, and other internal components.

By capturing and holding these particles, the air filter helps:
•  Protect internal engine components from abrasive contaminants
•  Maintain optimal air-to-fuel ratio for efficient combustion
•  Support consistent throttle response and performance
•  Help preserve fuel efficiency and engine longevity

Replacing a worn or clogged filter with an OE Match unit ensures that your Porsche continues to receive clean intake air just as it was designed to do.

Air filters collect contaminants over time. As the media becomes saturated with dust and debris, it restricts airflow and forces the engine to work harder to draw in the clean air it needs. A restricted filter can contribute to:
 Reduced engine responsiveness and power
 Higher fuel consumption
 Decreased combustion efficiency
 Potential internal wear from poorly filtered air

Installing a fresh air filter helps restore proper airflow and filtration efficiency, supporting continued smooth engine operation and protection.

Replace this air filter if any of the following apply:
  Visible dirt or discoloration on the filter media
  Reduced throttle response or sluggish acceleration
  Increased fuel consumption
  Scheduled maintenance interval reached
•  Frequent driving in dusty, polluted, or harsh environments.

Regular inspection and timely replacement help sustain engine performance and longevity.

Related reference numbers
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99111013000
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