2006 Pontiac G6 "loud muffler bad" Questions

loud especially on the highway. I can't talk on the phone and I have to yell to when talking to someone. Some people have told me it could be the catlytic converter (which I hear cost an arm and a leg

...loud when driving but when sitting still and rev it up sounds normal.what could be causing this loudness like a bad exhust. You did not mention the muffler which is the most important one for keeping ...

...muffler it would be loud all the time and be even louder upon acceleration. You could check this first by getting under your car while its running and see if exhaust is coming out where it shouldn't ...

...muffler - the exhaust system sounds like its going bad on start up and during acceleration. The shop says - I don't know what to do - we have done what we can. Any thoughts on what might the problem ...

...loud nw and using alot of gas2003 silverado ..how can I find exhaust leaks Have broken joint connection, shot muffler, exhaust to manifold joint loose/broken, this will affect catalytic mufflers and ...

loud noise exhaust loud exhaust with engine light on exhaust manifold gasket or a bad catalytic converter or hole in muffler

...loud ,,sounds like exhaust manifold gasket or a hole in your muffler or bad catalytic converter ...if it smells like rotten eggs ..catalytic converter or converters ,,some cars have 2 front and back ...

...im dragging can.. it get loud most likely you drive by a dozen muffler shops every day. stop at one of them and for free they will look at it and tell you what is wrong with it and how much to

...loud noise that I thought was a hole in my exhaust or deteriorated muffler. After replacing the muffler, the noise is still there. The person whom replaced my muffler thought it could be the front ...

...the muffler is really loud though. What causes that? Should I replace it? The muffler usually rusts from the inside. Then, it won't 'muffle' the engine noise anymore. Replace the muffler if it's