Quote:
Originally Posted by Nate@Industry
Eisenmann Race Performance E90/92 M3 video 
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Which setup is louder!
Do these Eisenmann setups come with section 2 piping or is it just the Exhaust??
Looks like its just the exhaust! Overall it sounds deep and mean
EDIT: Never Mind! I found which is Louder!
Race is preety loud 95db for just an exhuast setup and no piping! Freakin Loud! Nice!
SPORT-Version:
moving vehicle = 75 db
stationary vehicle = 92 db at 6.225 1/min
value of backpressure = -25%
weight of the muffler = apr. 21 kg
RACE-Version:
moving vehicle = apr. 95 db
stationary vehicle = apr. 102 db at 6.225 1/min
value of backpressure = apr. -32%
weight of the muffler = apr. 21 kg