Modifications to an engine such as the inactivation of its exhaust after-treatment system, or the increase in its power, could have serious consequences for the engine's emissions performance and durability.
Maidir le modhnuithe ar inneall amhail a chóras iarchóireála sceite a dhíghníomhachtú, nó a chumhacht a mhéadú, d'fhéadfadh go mbeadh iarmhairtí tromchúiseacha acu ar fheidhmíocht astaíochtaí agus ar mharthanacht an innill.