| Share | Phrase |
| 13.84% | exhaust [physical/chemical] port |
| 13.39% | exhaust [physical/chemical] manifold |
| 12.12% | exhaust [physical/chemical] system |
| 9.90% | exhaust [physical/chemical] pipe |
| 8.68% | exhaust [physical/chemical] passage |
| 8.45% | exhaust [physical/chemical] valve |
| 2.53% | exhaust [physical/chemical] stroke |
| 1.94% | exhaust [physical/chemical] emission |
| 1.64% | exhaust [physical/chemical] tube |
| 1.57% | exhaust [physical/chemical] conduit |
| 1.25% | exhaust [physical/chemical] opening |
| 1.24% | exhaust [physical/chemical] stream |
| 1.03% | exhaust [physical/chemical] chamber |
| 0.99% | exhaust [physical/chemical] outlet |
| 0.93% | exhaust [physical/chemical] duct |
| 0.84% | exhaust [physical/chemical] means |
| 0.75% | exhaust [physical/chemical] line |
| 0.55% | exhaust [physical/chemical] pressure |
| 0.50% | exhaust [physical/chemical] sensor |
| 0.45% | exhaust [physical/chemical] gasses |
| 0.43% | exhaust [physical/chemical] assembly |
| 0.42% | exhaust [physical/chemical] flow |
| 0.41% | exhaust [physical/chemical] downstream |
| 0.41% | exhaust [physical/chemical] temperature |
| 0.36% | exhaust [physical/chemical] side |
| 0.31% | exhaust [physical/chemical] characteristic |
| 0.29% | exhaust [physical/chemical] gas |
| 0.28% | exhaust [physical/chemical] passageway |
| 0.28% | exhaust [physical/chemical] seat |
| 0.24% | exhaust [physical/chemical] air |
| 0.24% | exhaust [physical/chemical] camshaft |
| 0.24% | exhaust [physical/chemical] device |
| 0.24% | exhaust [physical/chemical] cam |
| 0.24% | exhaust [physical/chemical] end |
| 0.23% | exhaust [physical/chemical] path |
| 0.22% | exhaust [physical/chemical] component |
| 0.20% | exhaust [physical/chemical] section |
| 0.20% | exhaust [physical/chemical] jacket |
| 0.17% | exhaust [physical/chemical] controller |
| 0.17% | exhaust [physical/chemical] guide |
| 0.17% | exhaust [physical/chemical] shaft |
| 0.16% | engine exhaust |
| 0.16% | exhaust [physical/chemical] portion |
| 0.16% | exhaust [physical/chemical] indication |
| 0.15% | exhaust [physical/chemical] stem |
| 0.15% | exhaust [physical/chemical] trap |
| 0.15% | exhaust [physical/chemical] inlet |
| 0.14% | exhaust [physical/chemical] catalyst |
| 0.14% | exhaust [physical/chemical] nozzle |
| 0.14% | exhaust [physical/chemical] control |
| 0.14% | exhaust [physical/chemical] channel |
| 0.13% | exhaust [physical/chemical] elbow |
| 0.13% | exhaust [physical/chemical] discharge |
| 0.13% | exhaust [physical/chemical] apparatus |
| 0.13% | exhaust [physical/chemical] filter |
| 0.12% | exhaust [physical/chemical] heat |
| 0.12% | exhaust [physical/chemical] cylinder |
| 0.11% | exhaust [physical/chemical] closure |
| 0.11% | exhaust [physical/chemical] brake |
| 0.11% | exhaust [physical/chemical] area |
| 0.11% | exhaust [physical/chemical] close |
| 0.10% | exhaust [physical/chemical] header |
| 0.10% | exhaust [physical/chemical] arrangement |
| 0.09% | exhaust [physical/chemical] arm |
| 0.09% | exhaust [physical/chemical] timing |
| 0.09% | exhaust [physical/chemical] lobe |
| 0.08% | exhaust [physical/chemical] wall |
| 0.08% | exhaust [physical/chemical] rod |
| 0.07% | exhaust [physical/chemical] head |
| 0.07% | exhaust [physical/chemical] decoupler |
| 0.07% | exhaust [physical/chemical] content |
| 0.07% | exhaust [physical/chemical] deactivator |
| 0.07% | exhaust [physical/chemical] unit |
| 0.07% | exhaust [physical/chemical] fitting |
| 0.06% | exhaust [physical/chemical] intake |
| 0.06% | exhaust [physical/chemical] damper |
| 0.06% | exhaust [physical/chemical] region |
| 0.06% | exhaust [physical/chemical] stack |
| 0.06% | exhaust [physical/chemical] level |
| 0.06% | exhaust [physical/chemical] segment |
| 0.06% | exhaust [physical/chemical] performance |
| 0.06% | exhaust [physical/chemical] rate |
| 0.06% | exhaust [physical/chemical] hole |
| 0.05% | exhaust [physical/chemical] point |
| 0.05% | exhaust [physical/chemical] rocker |
| 0.05% | exhaust [physical/chemical] housing |
| 0.05% | exhaust [physical/chemical] bank |
| 0.05% | exhaust [physical/chemical] aperture |
| 0.05% | exhaust [physical/chemical] recirculation |
| 0.05% | valve [is] exhaust |
| 0.05% | exhaust [physical/chemical] turbine |
| 0.05% | exhaust [physical/chemical] vent |
| 0.05% | purify exhaust [perform operation] |
| 0.05% | exhaust [physical/chemical] tcat |
| 0.05% | rout exhaust [perform operation] |
| 0.05% | exhaust [physical/chemical] part |
| 0.05% | exhaust [physical/chemical] product |
| 0.05% | exhaust [physical/chemical] bore |
| 0.05% | exhaust [physical/chemical] fan |
| 0.05% | exhaust [physical/chemical] model |
| 0.04% | reduce in exhaust |
| 0.04% | exhaust [physical/chemical] muffler |
| 0.04% | exhaust [physical/chemical] event |
| 0.04% | exhaust [physical/chemical] element |
| 0.04% | exhaust [physical/chemical] position |
| 0.04% | exhaust [physical/chemical] closing |
| 0.04% | exhaust [physical/chemical] cycle |
| 0.04% | exhaust [physical/chemical] adapter |
| 0.04% | exhaust [physical/chemical] exit |
| 0.04% | exhaust [physical/chemical] fume |
| 0.04% | exhaust [physical/chemical] indent |
| 0.04% | anode exhaust |
| 0.04% | exhaust from engine |
| 0.04% | exhaust [physical/chemical] structure |
| 0.04% | exhaust [physical/chemical] tuning |
| 0.04% | discharge exhaust [perform operation] |
| 0.04% | exhaust [physical/chemical] cavity |
| 0.04% | direct exhaust [perform operation] |
| 0.04% | exhaust [physical/chemical] converter |
| 0.04% | exhaust [physical/chemical] leakage |
| 0.04% | gas exhaust |
| 0.04% | exhaust [physical/chemical] flange |
| 0.04% | exhaust [physical/chemical] turbocharger |
| 0.04% | exhaust [physical/chemical] cover |
| 0.03% | exhaust [physical/chemical] passing |
| 0.03% | oxidize in exhaust |
| 0.03% | exhaust [does] flow |
| 0.03% | exhaust [physical/chemical] mechanism |
| 0.03% | exhaust [physical/chemical] mode |
| 0.03% | exhaust [physical/chemical] ratio |
| 0.03% | exhaust [physical/chemical] branch |
| 0.03% | exhaust [physical/chemical] piping |
| 0.03% | exhaust [physical/chemical] groove |
| 0.03% | exhaust [physical/chemical] signal |
| 0.03% | exhaust [physical/chemical] configuration |
| 0.03% | exhaust [physical/chemical] restriction |
| 0.03% | exhaust [physical/chemical] diffuser |
| 0.03% | exhaust [physical/chemical] pocket |
| 0.03% | exhaust [physical/chemical] value |
| 0.03% | exhaust [physical/chemical] purifier |
| 0.03% | exhaust [physical/chemical] test |
| 0.03% | exhaust [does] port |
| 0.03% | open [accessibility] exhaust |
| 0.03% | exhaust [physical/chemical] construction |
| 0.03% | exhaust [physical/chemical] silencer |
| 0.03% | exhaust content |
| 0.03% | relay exhaust |
| 0.03% | exhaust [physical/chemical] noise |
| 0.03% | exhaust [physical/chemical] standard |
| 0.03% | exhaust [physical/chemical] steam |
| 0.03% | routing exhaust |