The pilot of a single-engine Piper had some explaining to do to
officials Monday, after the plane strayed into the P-40 restricted
area overlying the Camp David presidential retreat in Maryland.
Bolt-On Exhaust Systems Tout Better Power, Economy
It sounds like something from the back pages of popular
newsstand magazines... like "run your car on water", or "magnetize
your fuel line", but surprise! There actually are real systems that
deliver both higher power (read, better rate-of-climb) and better
fuel economy to boot. And its devotees are almost religious in
their fervor to spread the word.
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