no damage.
if , car gets good MPG.
if mpg goes to 15 or so, then you are in LIMPHOME,
and that burns up manifolds (cracks them) and melts the honeycomb in the CAT.
it is plugged for sure
but id check the easy places first.
the valve on rear.
the ports on under said valve.
for clear , some blow air into them with shop air to see if its free.
the left port goes to the EXH #4 pipe on header.
im sorry if your hidding tubes are clogged, id not wish that on anyone.
dirty little buggers , hidden so well
and that photo is from another nice poster.
cheers
car will fail smog but you know that.
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