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Fabspeed’s Exhaust for the 2015 M3 and M4 Might Be the Best Sounding One Yet

Fabspeed is the latest aftermarket exhaust manufacturer that added its name to the already impressive list of part suppliers for the new M3 and M4 models. Their Valvetronic system is a bit on the expensive side of things, but it’s not terribly different from what others are asking as well.
fabspeed exhaust for BMW F80 M3 and F82 M4 4 photos
Photo: screenshot from Youtube
Fabspeed BMW M3/M4 exhaustFabspeed BMW M3/M4 exhaustFabspeed BMW M3/M4 exhaust
One downside of Fabspeed is that they haven’t been in tight relations with the BMW community so far. They’re not what an enthusiast would call a trusted, old-school BMW tuner so they will face some headwinds.

Sure, they’ve been in the business for long enough but as far as tuning Bavarian machines go, they will probably still have a lot more to learn. That being said, they would do themselves a favor by cutting the prices a little, especially at first, to prove their worth.

As for the system itself, it features their trademark ‘double-X’ mid pipes that, according to them, will ‘provide a perfect blend of smooth sound and improved power and throttle response’. Being Valvetronic, of course, the sound can be adjusted for certain situations, to be either silent or in full attack mode.

The material used for its manufacture is stainless steel sourced from the US and all exhausts are hand-polished. The power gains are around 10 HP and 14 lb-ft (19 Nm) of torque, decent to be honest. There should also be a net improvement in pedal response.

Now we get to the final point: the price. Fabspeed is asking $4,995 for the complete exhaust which is rather high considering a similar setup for a 435i or 335i is less than half that. Of course, the development costs are different but not to such an extent as to demand such a high increase in the final price tag. The final decision is to be made after listening to the exhaust though and that’s what you have to do via the video below.

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