When BMW dropped the V8 naturally-aspirated engines in favor for the new twin-turbo powerplants, many BMW fans and owners complained about the lack of “real sound” coming from underneath the hood or through the exhaust pipes.
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Currently, the F10 BMW 550 is powered by a V8 twin-turbo unit producing 407 horsepower and outputting a decent sound through the exhaust pipes. The remedy came shorter after the market launch of the new 5 Series when respectable tuners released their own exhaust systems.
One of them is Eisenmann, a German company with a long history in developing aftermarket parts for BMW vehicles. Eisenmann offers two stainless steel exhaust pipes in 90 mm or 102 mm size.
As usual, Eisenmann offers both a sport version with EC-approval, as well as a louder and acoustically even more appealing road race version without approval.
The Sport version with two tailpipes sells for 1487.50 euros, while the four tailpipes version costs 1606.50 euros.
A visual and acoustic impression of the race version exhaust system is provided through the following video from Iron Man USA.
[Source: Iron Man via Bimmertoday ]