exhaust pipe

noun 0.826

downpipe

noun 0.690

exhaust

noun 0.654

flue pipe

noun 0.648

tailpiece

noun 0.633

exhaust system

noun 0.633

waste pipe

noun 0.626

pipe

noun 0.625

drainpipe

noun 0.606

muffler

noun 0.603

water pipe

noun 0.602

soil pipe

noun 0.590

pipes

noun 0.587

stovepipe

noun 0.582

pipework

noun 0.570

exhaust valve

noun 0.565

organ pipe

noun 0.565

pipa

noun 0.563

tobacco pipe

noun 0.561

pip

noun 0.554

food pipe

noun 0.554

windpipe

noun 0.550

tube

noun 0.548

smokestack

noun 0.546

pipeline

noun 0.541

pitot tube

noun 0.538

drainage pipe

noun 0.537

catalytic converter

noun 0.533

pit

noun 0.532

tub

noun 0.532

smokebox

noun 0.529

nozzle

noun 0.528

emissions test

noun 0.527

tail end

noun 0.527

pit stop

noun 0.526

pipeful

noun 0.525

rear end

noun 0.524

chimney pot

noun 0.523

taillight

noun 0.521

pipi

noun 0.520

tire

noun 0.519

chimney

noun 0.519

gas pump

noun 0.519

ashtray

noun 0.519

tail

noun 0.518

flue gas

noun 0.517

piping

noun 0.517

burn pit

noun 0.513

outfall

noun 0.511

pitot

noun 0.509

pipe roll

noun 0.508

chimney stack

noun 0.508

air intake

noun 0.507

standpipe

noun 0.507

downspout

noun 0.507

air vent

noun 0.505

hosepipe

noun 0.504

piston

noun 0.502

pumpout

noun 0.501

potty

noun 0.500

inner tube

noun 0.500

petcock

noun 0.500