P2M
63.5mm
(2.50")
exhaust
control
valve
for
all
2
bolt
flanged
2.5"
exhaust
system.
The
ECV
is
butterfly
regulated
to
control
the
exhaust
noise
for
aftermarket
exhausts
to
be
discrete
while
driving
on
public
streets.
With
the
ECV
partially
open
the
exhaust
noise
can
be
bring
down
by
as
much
as
50%
or
more.
With
the
butterfly
fully
open
will
bring
you
back
to
normal
level.
This
kit
is
mainly
for
normally
aspirated
applications
using
a
standard
2.50"
exhaust.
