Exhaust and muffler repairs are another facet of car servicing ACDelco Service Centres can assist you with. Your car's exhaust system, if more than 3 years old, can start to develop a leak in it which affects performance including fuel economy and CO2 emissions. It may become noisy also as sound will escape through the hole in the pipe or muffler. If this happens to you, bring it in so our auto technicians can take a look.