The PTG M178 High Flow Air Filters are a simple, effective intake upgrade for M178-powered Mercedes-AMG models. Designed to replace the factory paper filters, these performance panel filters help improve airflow while retaining an easy, factory-style installation.
PTG reports gains of up to +22 hp and +37 lb-ft of torque when used in the right supporting setup. These filters can be installed with the factory plastic inlet system or paired with the PTG M178 3 Inch Carbon Inlets for increased airflow and a more complete intake upgrade.
This is a strong first-step modification for AMG GT owners looking to improve intake efficiency without changing the full airbox system. With a reusable design and long service life, the PTG M178 High Flow Air Filters are a practical upgrade for street builds, tuned cars, and higher-power M178 applications.
Key Features
- Designed for M178-powered Mercedes-AMG models
- Direct replacement for factory paper air filters
- High-flow panel filter design
- PTG-reported gains of up to +22 hp and +37 lb-ft of torque
- Compatible with factory plastic inlets
- Compatible with PTG M178 3 Inch Carbon Inlets
- Reusable design with long service life
- Simple installation with no major modifications required
- Ideal supporting upgrade for tuned AMG GT builds
Parts Include
- Two M178 high flow panel filters
Fitment
Designed for Mercedes-AMG models equipped with the M178 4.0L Biturbo V8 engine.
Common M178 applications include:
2016+ Mercedes-AMG GT
2016+ Mercedes-AMG GT S
2018+ Mercedes-AMG GT C
2018+ Mercedes-AMG GT R
Please contact us before ordering to confirm exact fitment for your year, trim, and intake setup.
Installation Note
Professional installation is recommended, although these filters are designed as a simple replacement for the factory paper filters. Please ensure the filters are seated correctly before driving. Compatibility may vary depending on the vehicle, intake setup, and any aftermarket inlet modifications.
Performance Note
Power gains can vary depending on vehicle condition, tune, supporting modifications, fuel, dyno type, and environmental conditions. PTG-reported gains are based on their testing and may not be identical for every vehicle.
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