Air Filters
Rennline air intake, carbon fibre.

Fits:
Porsche 996 C2 / C4 / C4S
Porsche 997 C2 / C4 / C2S / C4S
Product Description
With the Rennline Carbon Fibre Intake, your drive will never feel better. Made from carbon fibre with a high-flow air filter and stainless steel fasteners, this intake performs as well as it looks.
This system provides improved flow dynamics and unlocks hidden induction acoustics.
Features
- Save precious weight over stock unit
- Improved airflow over OEM unit.
- Improved induction noise
- Easily replace filters (without removing the box)
- Smooth carbon inlet for high velocity air
- Replacement filters available under SKU# M95
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
M110
The product you are viewing cross references to these numbers
- Porsche 996 C2 3.4L 1997-08/01
- Porsche 996 C4 3.4L 1997-08/01
- Porsche 996 C2 3.6L 09/01-2005
- Porsche 996 C4 3.6L 09/01-2005
- Porsche 996 C4S 3.6L 09/01-2005
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
Engine Tuning Performance Air Filters – Maximise Airflow and Power for Your Porsche
A performance air filter is one of the most effective and accessible upgrades for improving your Porsche’s engine performance and responsiveness. Designed to increase airflow while providing superior filtration, these filters enhance combustion efficiency, throttle response, and horsepower output — making them essential for both road and track enthusiasts.
At Design911, we offer a premium selection of high-performance air filters and engine tuning intake upgrades for Porsche models. Manufactured using advanced filtration media and precision-engineered housings, these filters deliver improved airflow without compromising protection. Whether you’re upgrading a 911 Turbo, Cayman GT4, or Boxster, our manufacturer-quality performance air filters ensure long-lasting performance and reliability.
What Do Performance Air Filters Do?
Performance air filters allow your Porsche’s engine to breathe more efficiently by reducing airflow restriction and enhancing fuel-air mixture quality.
Core Functions:
- Increase
airflow to the engine for better combustion and power.
- Filter
harmful particles such as dust, dirt, and debris to protect the
engine.
- Improve
throttle response and engine smoothness.
- Enhance
engine sound and performance feel.
- Support long-term engine health by maintaining clean airflow.
By optimising the air intake system, a performance air filter helps your Porsche deliver sharper acceleration, greater efficiency, and improved drivability.
Why Do Air Filters Fail or Degrade?
Air filters operate in a harsh environment, exposed to debris, oil vapour, and temperature extremes. Over time, they can become clogged or damaged, restricting airflow and reducing performance.
Common Causes of Failure Include:
- Clogging
from dirt, dust, or pollen build-up.
- Oil
contamination (especially in reusable filters).
- Physical
damage to the filter material or seals.
- Improper cleaning or maintenance.
- Extended service intervals causing reduced airflow.
Symptoms of a failing air filter include reduced engine power, poor fuel economy, hesitation under acceleration, or unusual intake noise. Replacing or upgrading ensures consistent performance and protection.
Why Replace with a High-Performance Air Filter?
Upgrading to a precision-engineered performance air filter restores and enhances your Porsche’s breathing efficiency. These filters are designed to provide a perfect balance between airflow and filtration, delivering measurable performance gains.
Key Benefits:
- Increases horsepower and torque output.
- Improves throttle response and fuel efficiency.
- Provides superior filtration for engine longevity.
- Constructed from durable, reusable materials.
- Direct-fit
compatibility for Porsche 911, Cayman, Boxster, Panamera and more.
- Ideal for performance tuning, track driving, or spirited road use.
Replacing restrictive stock filters with high-performance alternatives enhances both performance and reliability — essential for enthusiasts who demand the best from their Porsche.
Highlights:
- High-performance air filters for Porsche tuning and upgrades.
- Improved airflow, filtration, and power delivery.
- Reusable and washable filter options available.
- Engineered for precision fit and durability.
- Perfect for classic and modern Porsche performance models.
- Supports both performance gains and long-term engine protection.