We’ve been down this road one too many times before. According to some, the sound of the new M3/M4 duo is not on par with what was expected. However, nobody has a clear reference point, everyone comparing the sound of these cars with everything they could think of, from V8 4-liter plants to 5-liter V10 ones.
Of course, plenty don’t have a clue what they’re talking about and even more people complaining haven’t actually driven the thing. We did and we can tell you that, even with the Active Sound Design feature, the M4 sounds like it should: a turbocharged inline 6-cylinder.
Even so, some people have different tastes and want their M car to be heard from miles away when driving around town. Independent tuners and manufacturers can, of course, tend to such desires in no time. Out of the bunch of aftermarket exhaust developers names like Eisenmann and Akrapovic are mentioned first.
Eisenmann just released two videos of their solution for the F80/F82 M3/M4 duo and things are getting extremely interesting. While the Akrapovic solution seems to bring a deeper growl to the scene, this exhaust sounds a bit more raspy, especially with the valves open. However, that sound is absolutely enthralling.
German engineering was infused in the making of this exhaust
The German tuner knew right before setting off to develop this new system that they had to do some serious work to make it sound as it should and that just replacing some pipes wouldn’t cut it. That’s how they came up with this valved system.
Made completely out of 304-grade stainless steel, the canisters are machine-pressed into a shape. Furthermore, their specific design makes sure the rear mufflers are more compact and unnoticeable from the rear of the car.
Of course, you can still use the on-board buttons to select the driving mode and the opening of the valves, thanks to Eisenmann’s integrated system. That means that when you want your car to be silent, you just go into Comfort mode and the valves will close. When you want to unleash hell, set it to Sport+ and you’ll feel like Cerberus is barking at you.
In tune with the Eisenmann philosophy, customers can have their pick out of a variety of choices. You can go for the full exhaust that includes all the parts from the exhaust tips to the down pipes or pick a certain part to replace, like only the rear muffler for a better look. Pricing hasn’t been released yet.
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