
K&N 25-3770 PreCleaner Air Filter Wrap 14 in. x 6 in.
K&N designed this 25-3770 PreCleaner Foam Filter Wrap to extend the service interval of your K&N air filter when used in very dusty conditions. The large open cell foam construction stops 90% of dirt with very low air restriction. This Airforce Pre-Cleaner is designed to be cleaned with K&N Cleaner or soap & water.
Note: Red colored Airforce pre-cleaners are oiled with K&N air filter oil after they are cleaned, and are made from large, open cell foam. Gray colored Airforce pre-cleaners do not use oil, and have smaller foam cells.
K&N 25-3770 PreCleaner Wrap Features:
- Air Filter Style: Round
- Inside Diameter: 14.000 in.
- Height: 6.000 in.
- Filter Material: Foam
- Filter Color: Red
- Quantity: Sold individually
Note: Air Filter is NOT included.
There’s a reason top racers trust K&N to protect their high-dollar engines: these wraps let airflow in, and help keep dirt out. Designed for the racer—made for your vehicle.
K&N: Power Up Your Ride!
Original: $73.99
-65%$73.99
$25.90More Images

K&N 25-3770 PreCleaner Air Filter Wrap 14 in. x 6 in.
K&N designed this 25-3770 PreCleaner Foam Filter Wrap to extend the service interval of your K&N air filter when used in very dusty conditions. The large open cell foam construction stops 90% of dirt with very low air restriction. This Airforce Pre-Cleaner is designed to be cleaned with K&N Cleaner or soap & water.
Note: Red colored Airforce pre-cleaners are oiled with K&N air filter oil after they are cleaned, and are made from large, open cell foam. Gray colored Airforce pre-cleaners do not use oil, and have smaller foam cells.
K&N 25-3770 PreCleaner Wrap Features:
- Air Filter Style: Round
- Inside Diameter: 14.000 in.
- Height: 6.000 in.
- Filter Material: Foam
- Filter Color: Red
- Quantity: Sold individually
Note: Air Filter is NOT included.
There’s a reason top racers trust K&N to protect their high-dollar engines: these wraps let airflow in, and help keep dirt out. Designed for the racer—made for your vehicle.
K&N: Power Up Your Ride!
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Product Information
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Description
K&N designed this 25-3770 PreCleaner Foam Filter Wrap to extend the service interval of your K&N air filter when used in very dusty conditions. The large open cell foam construction stops 90% of dirt with very low air restriction. This Airforce Pre-Cleaner is designed to be cleaned with K&N Cleaner or soap & water.
Note: Red colored Airforce pre-cleaners are oiled with K&N air filter oil after they are cleaned, and are made from large, open cell foam. Gray colored Airforce pre-cleaners do not use oil, and have smaller foam cells.
K&N 25-3770 PreCleaner Wrap Features:
- Air Filter Style: Round
- Inside Diameter: 14.000 in.
- Height: 6.000 in.
- Filter Material: Foam
- Filter Color: Red
- Quantity: Sold individually
Note: Air Filter is NOT included.
There’s a reason top racers trust K&N to protect their high-dollar engines: these wraps let airflow in, and help keep dirt out. Designed for the racer—made for your vehicle.
K&N: Power Up Your Ride!











