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IMHO....The seat is ok. I'm a bicyclist to so my *** is conditioned to uncomfortable seats. I have never changed exhaust on a bike, I like them quiet. That said I wouldn't mind a little more noise. I also like the looks of the stock muffler.
On my DR I use a chunk of fire wood under the right peg to keep the rear tire off the ground and a strap on the brake lever to keep the bike steady. Worked good but not as good as the centerstand on my NC.
It's all about the frunk for me. With my Pacific Coast it's the trunk. I don't care if both bikes are underpowered. Actually the NC feels much quicker and I love the gearbox. Without the frunk or the trunk I would probably be riding something else.