Quote:
Originally Posted by GTHAUS
Original stock (OE) ones are also "Center" single large exhaust unit.
We kept the similar design style as "OE" unit but have reduced down the weight "significantly".
Also for the pipe diameter, stock uses 83-85mm Pi, when we have used 90-94mm pi to increase the exhaust
"flow rate" to its max for this vehicle (N55 335i).
We got an absolutely stunning result out of this exhuast so far.
We couldn't be further pleased with its sound quality (Agressive and CLEAN sound)
and also with performance gain we have seen so far. Very Awesome !!
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It does sound great (good job on that BTW). I just didn't know that BMW switched from true dual exhausts to a single with dual tips. I wonder what their reasoning was behind that.