It all filters down to this…………
October 13, 2011
Challenger Aviation Piper Navajo Air
Challenger high performance air filters are
made with K&N filter media and are FAA/PMA approved for most Piper
Aircraft. They are
cleanable up to 25 times, Coast Guard approved and no AD’s.
Challenger cotton air filter media catches the smallest dirt
particles that can wear out your engine.
The low restrictive design allows more air to flow into your
engine for a power increase and fuel savings up to one gallon per
Challenger high performance filters are
American manufactured. These air filters have been in service 10
years. Our products are environment friendly.
Challenger filters are certified under a STC so a onetime 337
is required and you are ready to enjoy the benefits.
“This could be the last filter you
Includes 2 ea filters and
1 ea sealing grease
PA31-310, PA-31-325, PA-31-350
Aviation Products @ 937-387-6500, email firstname.lastname@example.org or visit
for more information.