| Common BMW exhaust makes are Ansa | | | | while mild steel is used on more economical |
| exhaust, Eberspaecher (OEM), Bosal exhaust, | | | | vehicles to save expense. Now the method of |
| Borla, and Rogue. You can also find brackets, | | | | bolting everything together comes into picture. |
| flange nuts, mounts and hanger brackets. You | | | | Most OE BMW exhaust systems are welded |
| should always replace the exhaust system | | | | rather than clamped to make leak-free joints. |
| gaskets whenever you replace or repair the | | | | The challenge lies is in manufacturing the mufflers |
| exhaust system or BMW muffler. BMW exhaust | | | | and catalytic converters as high flowing as |
| has a high performance free-flow design that | | | | possible while still enabling them to perform; |
| reduces back pressure to produce a considerable | | | | specifically, reducing noise and also cleaning up the |
| increase in horsepower. In addition to this boosted | | | | exhaust gasses, respectively. The OE BMW |
| power comes with a deeper exhaust note that is | | | | exhaust does a pretty good job, too. However if |
| distinctly different. | | | | you do not mind a slightly more aggressive |
| The Power Sound control on the muffler allows | | | | exhaust note, consider upgrading your OEM |
| you to modulate a perforated baffle to customize | | | | exhaust with an after market sport exhaust. You |
| the exhaust sound to your exact specifications | | | | will produce more power, your engine will rev |
| (e.g. slightly more aggressive or less loud). The | | | | faster, and you'll get the aggressive note of a low |
| system utilizes factory mounting points, therefore | | | | restriction exhaust system. |
| installation is easy. They are made in Europe from | | | | A pair of BMW headers can add impressive |
| the best stainless steel and are commonly backed | | | | boosts in horsepower to your vehicle, although |
| by lifetime warranty. | | | | likely the more precise way to say it is that the |
| These systems are manufactured for high | | | | headers will allow your vehicle to use the |
| performance while still meeting noise and smog | | | | horsepower that it already has in the best |
| laws. Those three requirements are typically | | | | possible way. When your vehicle expels exhaust |
| mutually-exclusive, meaning there's a bunch of | | | | from the combustion area, if you are not using a |
| hard work that goes into the sport exhaust. To | | | | set of BMW headers, chances are that your |
| start with, there is the selection of exhaust pipe | | | | motor is wasting needed horsepower to push |
| material. | | | | that exhaust. |
| On quality vehicles, you will see stainless steel, | | | | |