What is the best racing exhaust for the bmw m3 e92?

Hello I have a bmw m3 e92 and was wondering what the best exhaust for bmw m3 e92. Taking into account the weight and power generated by it.|||Incredibly expensive, but I hear it's one of the best





http://activeautowerke.com/viewproduct.a…





15 extra HP and 7 extra ft/lbs of tq|||speak english you moron

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|||ok listen up get rid of the bmw get ure self a alfa 159 ti 3.2 v6 4wd its alot better and goes faster and is beutiful and realiable

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|||Performance wise most exhausts will be the same. Your choice should depend on how you want the car to sound. Also if you can find something titanium that would help take a lot of weight off your car, thus making it faster.