K&N

K&N for Porsche

For over 50 years, K&N® has been an industry-leader in automotive filtration and technology—offering products to increase performance, protection, and longevity for Porsche vehicle applications worldwide.

A Quick Look at K&N

In the early 1960s, two motorcycle racers, Ken Johnson and Norm McDonald (K&N), developed a ground-breaking new idea for an air filter—one that could perform under the demands of dusty, dirty off-road environments. After experimenting with numerous types of filter media, they discovered that an oiled cotton design allowed the filter to not only capture contaminants very efficiently, but also allowed it to be washed and reused, and the original K&N® High-Flow Air Filter™ was born. Five decades later, K&N® is still innovating industry-leading filtration technology, and offers outstanding protection for everything from top-fuel dragsters to commuter vehicles across the globe.

Choosing the Right Fit for Your Porsche

Where K&N is listed for Porsche, use the supplied model coverage and OE references to confirm suitability. Check details that commonly affect fitment such as model year, side/position, and connector type where relevant.

• Typical reasons people choose K&N on Porsche models include the desire for a reusable performance-style filter, maintaining airflow over a long service life, and in some cases a sharper induction response or sound.
• Common issues tend to relate to dirty filters, over-oiling leading to possible MAF sensor contamination, or poor sealing from incorrect installation, rather than defects in the filter itself.
• Watch for real-world symptoms such as reduced performance, hesitation, slight loss of throttle response, or changes in intake noise that may suggest the filter needs cleaning, re-oiling, or replacement.
• After cleaning a reusable filter, allow it to dry fully and apply only the recommended amount of oil, following K&N’s service procedure to help protect sensors and maintain consistent airflow.

Browse by Category

If you already know the area you are working on, start with the category and then filter by Porsche model. Where real-world symptoms and typical reasons to replace are provided, use them to keep the wording grounded.

Engine Tuning — Engine tuning parts for Porsche are used to improve drivability, throttle response, power delivery, or to support hardware changes such as intake and exhaust upgrades. Before tuning, ensure the engine is mechanically healthy, with good compression, stable fueling, and no boost or vacuum leaks, as calibration changes cannot compensate for underlying faults.

• Before any tuning work, have checks carried out for compression/leak-down, sensor data integrity, cooling and oil temperature control, and the absence of intake or boost leaks.
• Do not rely on tuning to “fix” a mechanical problem; address the root cause first so the calibration can be applied safely.

Air Filters — Air filters for Porsche protect the engine by removing dust and debris while allowing sufficient airflow for efficient combustion. Owners replace or upgrade filters to maintain performance, protect internal components, and in some cases to reduce restriction as part of a wider tuning or maintenance plan.

• Replace or service air filters more frequently if the car is driven in dusty or harsh environments, as clogging will reduce airflow and efficiency over time.
• For oiled performance filters, avoid over-oiling and always follow the manufacturer’s cleaning and re-oiling guidance to help prevent sensor contamination.

Air Induction Kits — Air induction kits for Porsche alter the intake path to change airflow characteristics, sound, and sometimes intake temperatures. They are usually selected as part of a performance package to sharpen response and tailor the driving feel, provided that sensor placement, sealing, and heat management are properly maintained.

• Be aware that not every induction kit will significantly increase power; many are chosen for response and sound, so expectations should match the overall setup.
• Check carefully for secure mounting, proper sealing, and protection from hot engine-bay air to avoid unmetered air leaks and excessive intake temperatures.

Service Parts — Service parts for Porsche, such as filters, spark plugs, and fluids, are replaced on a schedule to keep the car reliable, efficient, and protected. Establishing a solid service baseline often resolves multiple minor drivability issues at once, especially on older vehicles.

• Use correctly specified parts from reputable manufacturers and keep a clear service log to support diagnostics and long-term ownership.

Explore K&N at Design911

View the current K&N range for Porsche at Design911, then filter by model and category to narrow down to the right parts.