aftermarket exhaust loudness question
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'06 E500 Wagon, BMW Z4 M Coupe, Mini
aftermarket exhaust loudness question
I'd like to put an exhaust on my E500 wagon, and am considering a Brabus Sport cat-back. I like the deep, rich exhaust note I've heard in videos, but regarding loudness, I've heard everything from: "Brabus is no louder than stock" to "Brabus is quite loud", or is "30% louder than an E55 exhaust". I'm wondering how much of this actually has to do with whether the center resonator is deleted or modified. (And how much does a cat-back system really affect sound pressure level?) So what should I expect in terms of loudness, assuming I keep my stock center resonator in place? I'm really bewildered by this, and any guidance would be greatly appreciated.