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