Avoid
engine
problems
By
enabling
ambient
air
to
enter
the
exhaust
system,
the
Knap-O-Dapter
protects
against
negative
air
pressure
that
can
cause
the
turbocharger
to
spin
without
lubrication.
If
this
occurs,
it
can
damage
the
turbocharger
bearings
and
require
costly
engine
repairs.