AIR FILTER FAQs
Q: How long have these air filters been around?
A: K&N, Challenger's media supplier, has supplied air filters for race cars and other high performace engines for decades.
Q: Do I need to modify my aircraft to install the air filter?
A: No. The filters are a direct replacement to your OEM filter.
Q: Are your filters FAA approved?
A: Yes. The filters are FAA-PMA approved and STC'd which requires a 337 at initial installation.
Q: Will I save money on gas?
A: Yes. Pilots report a .3 to .5 gallon per hour savings. At 100 hours that is a savings of up to 50 gallons of fuel.
Q: How many times can I reclean the air filter?
A: Filters can be cleaned up to 25 times or 2500 hours.
Q: How do I know when to clean the air filter?
A: Filter must be cleaned every calendar year, 100 hours or sooner in dusty conditions.
Q: Can an engine get too much air flow?
A: No. An engine can only take a fixed volume of air depending on it's size. The more restriction in the air intake system, the greater potential for power loss.
Q: Will I see an increase in horsepower?
A: Yes. A typical 2-4 percent increase, depending on the current amount of air restriction in the air intake system.
Q: What about the AD for paper filters?
A: Challenger filters are not subject to the paper filter AD.
Please save the extra gasket in the box for your first replacement.
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