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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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99111013000
Product Information
Product Information
Replacement Air filter.
This is a factory-original intake air filter element designed and built to meet Porsche’s stringent engineering and quality standards. This filter is engineered for perfect fit, reliable filtration, and optimal airflow on Porsche 911 (991) models equipped with the standard air intake system.
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 engine air filter’s primary role is to filter all air entering the engine before combustion. Air drawn into the intake carries microscopic debris from the environment - dust, pollen, sand, soot and other particulates. The genuine Porsche filter traps these contaminants while still allowing the engine to draw the clean, unrestricted air it needs for efficient combustion. By maintaining clean intake airflow, this filter supports:

  Protection of internal components (valves, pistons, cylinder walls) from abrasive particles
  Consistent combustion efficiency for smooth performance
  Steady throttle response and power delivery
  Preserved fuel economy and emissions behaviour

Using the genuine Porsche air filter helps ensure the engine continues to breathe precisely as Porsche designed it - balancing airflow and protection across all driving conditions.

Air filters protect the heart of the engine from harmful particles - but over time they accumulate dust and contaminants, reducing airflow and potentially influencing performance. A clogged or inefficient filter can result in:
  Reduced throttle response
  Higher fuel consumption
  Restricted intake airflow
  Increased wear on sensitive engine parts

Replacing the filter with a Genuine Porsche part restores optimal airflow and filtration, preserving performance, fuel economy, and engine longevity.

Consider replacing the air filter when:
  Visible dust or dirt buildup is present on the media
  Throttle response feels less responsive
  Fuel economy has dropped
  The vehicle has reached its scheduled maintenance service interval
  The car is driven frequently in dusty or polluted environments.

Routine inspection and timely replacement help maintain overall engine health.

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