Quote:
Originally Posted by Cephas
My understanding (happy to be corrected) is that the Fujitsubo Authorize S is a nearly identical axle-back to the STi. I haven't seen the two side by side, but the photos of each make it seem true.
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They're quite different IMO. The STi is a flow-through resonator that goes into into a small chambered silencer - all packaged neatly into the dimensions of the stock muffler. While the Authorise S is just a big chambered silencer.
From the various sound clips I've seen. The STi has more bass and growl, while the Authorise S is more plain in its tone.