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I'm right with you, that was my thought too. The day that I ran across this thread, I sent Volant an email asking if they would just sell me the muffler alone. They said they do not do that because "their whole system works together to eliminate drone". So I bit the bullet and paid for the entire system.
I mounted up the system but did not even use the shiny tip and hacked the pipe off right after the axle. I know that could be taken as a waste, but I could sell the tip, but regardless I am VERY happy with the system. It is worth the money to me. I also feel like it wasn't near the waste that a system like the Corsa $1,000 system would be. I paid just slightly over $500 for mine.
If your running straight pipe/cutout now, you might think this system is REALLY quiet when you compare it to that. I previously had the stock pipes with no resonator and a magnaflow. This system was closer to straight pipe/cutout with a toned down sound. This Volant setup is pretty damn quiet at idle and light throttle but SCREAMS at full thottle. The magnaflow was louder all around but didn't give a BRAPPP and a deep throaty tone like the Volant. If you want some volume all the time, I'd go with something like the magnaflow or flowmaster. If you want quiet most the time but screaming when you floor it, go Volant.
Oh, and I put in a y-pipe cutout right before the muffler so that I can still be loud if I want...kinda best of both worlds for me.
Hope this helps some.