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Air filter upgrade for the Moto Guzzi V7 Stone 850
The DNA Performance Air Filter for the Moto Guzzi V7 Stone 850 is designed to improve airflow, throttle response, and intake efficiency while maintaining excellent engine protection for road and race use. As a direct replacement for the OEM filter, it uses DNA’s advanced Full Contour Design (FCd) to maximise the effective filtering surface and deliver consistent, controlled airflow.
Constructed with four layers of DNA cotton and supplied pre-oiled from the factory, this filter achieves an impressive 98–99% filtering efficiency (ISO standards) alongside a measured +31.78% increase in airflow compared to the stock filter. Installation is straightforward by following the Moto Guzzi workshop manual, with no modifications required.
Key Features & Specifications
· DNA Part Number: P-MG85CL25-01
· Filter Type: High-flow, reusable air filter
· Design: DNA Full Contour Design (FCd)
· Filter Use: Road and race
· Oil: Supplied pre-oiled
· Filtering Efficiency: 98–99%
· Airflow Increase: +31.78% vs OEM
· DNA Airflow: 118.6 CFM @ 1.5” H₂O @ 25°C
· OEM Airflow: 90.0 CFM @ 1.5” H₂O @ 25°C
· Fitment Type: Vehicle specific
· OEM Cross Reference: 2B013724
Why Choose the DNA Performance Air Filter?
· Noticeably improved airflow for sharper throttle response
· High filtration efficiency protects the engine under demanding use
· Suitable for both spirited road riding and track use
· Washable and reusable for long service life
· Supplied ready to install with factory-applied oil
· Precision fit ensures reliable sealing and consistent performance
What’s Included?
· DNA Performance Air Filter (pre-oiled)
· Installation guidance
Assembly Notes
Installs directly into the standard airbox following the Moto Guzzi workshop manual procedure. No ECU or fuel adjustments are required. Ensure the filter is seated correctly to maintain an airtight seal.
Maintenance Guidance
Clean at regular service intervals, or sooner if used in dusty conditions, using a DNA Service Kit. Allow the filter to dry fully and reapply DNA filter oil before refitting.
