*exhaust, on both.
* Having a engine. With less back pressure, you get more power and higher performance from the engine.
* Some stacks,' these pipes are often curved or capped to prevent any aerial entrants from floating down them and causing damage.
* Classically, the side as the access to the gas tank. This way, when you're filling up, you and your gas tank are farther away from the hot exhaust.
* Box trucks and other work vehicles sometimes have exhaust fumes.
* There is a lot of tailpipes feature higher degrees of weather resistance.
* WikiAnswers.com: Want performance and some peace and quiet? Find out how to silence that loud exhaust here.
* AutomotiveHelper.com: Is a great place to talk all things car, including the insouts of exhaust systems.
