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The Armytrix crew knows very well how to create good extreme exhaust systems. Some of the loudest cars in the world use their kits (not the race cars). BMW F10 M5 is a car known for flawed sound department, so it makes sense to get a custom upgrade for it, especially if it does more than just enhancing the sound.
Since most of the custom exhaust manufacturers started implementing some performance upgrade along with the sound, dyno sheets have become kind of necessary. Sometimes, the results seen on them are better than expected. This M5, upgraded by Armytrix, has gained 21 HP and 26 Nm of torque.
Check out the result in the video above and visit Armytrix.
