Depending on where you shop they can range from the high 400's to the low 800's. Nextag.com will let you compare prices which is a good angle if you are looking for cheap quality.
Although I do not know much myself regarding exhaust systems, I have found that there is a wealth of information online. You can find information here repairandshare.com/exhaust-systems/ as well as here vividracing.com/catalog/exhaust-system-information-i-39.html .
the spent exhaust gas goes out the exhaust
While stock diesel systems are very loud they are not the loudest type of exhaust you can get. To get an exhaust that is extremely loud you're going to need to go with the custom or bolt on route.
Dual exhaust systems are systems in cars that have two mufflers and two exhaust pipes. This system is called a dual exhaust system, or a twin exhaust system. It can be installed on a vehicle after market.
If you want to purchase an exhaust system you could go to a place like autopartswearhouse.com. Or you could look up exhaust systems of craigslist to see if there is anyone near you selling an exhaust system.
Some manufacturers of cat back exhaust systems are Flowmaster, Banks, Gibsons, Corsa, Invidia, RBP, Pacesetter, etc. These manufacturers provide different models of car back exhaust systems.
The price range for Corvette exhaust systems can vary depending on the condition of the exhaust system; the model of the exhaust system will effect the price range as well. The price range of a Corvette exhaust system is from about five hundred to twelve hundred dollars.
Samson exhaust systems for motorcycles typically sell from $300 to $800, depending on the model. Samson exhaust systems typically come with full coverage heat shields.
D exhaust can greatly help the performance of your vehicle. You can find it online or in your local parts store.
The weight of an exhaust system can vary significantly depending on the vehicle type and the materials used. On average, a complete exhaust system for a passenger car can weigh between 30 to 50 pounds (14 to 23 kg). Performance exhaust systems made from lighter materials like titanium or stainless steel may weigh less, while larger systems for trucks or SUVs can exceed this range.
Heinz Dofinshmirtz
Some exhaust systems use gaskets and some don't.