The stock exhaust is all one piece. If you want to be able to reverse any mods you make, you are going to have to buy a complete aftermarket system. I'd just leave it stock for now and wait until you're in Germany to do any exhaust changes after you know what the laws are.
It's easy to calculate fuel mileage without trusting the fuel gauge. Just reset your trip meter to 0 when you refuel. Then when you fill-up the next time, divide the miles listed on your trip meter by the amount of fuel added. Then reset the trip meter and start the process again.
The only...
Road 5's are great. I'm running a set on my bike now. I've got about 5,000 miles on them so far and they still look almost new. They've got great grip, even in the rain.
You can order them off Galfer's website. That how I'm running the steel-braided lines on my FZ6R.
Stainless Steel Front OEM Style Brake Line Kit - Gbrakes
Shipping will most likely be more than $80. A few years ago, someone on here was interested in buying a front fender from me and shipping from Colorado to New York was going to be $73.
It's the box size, not the weight, that makes shipping so expensive.
Don't worry about stands. Just make sure the tires are aired up properly. My bike sits in the garage for a few months (not on stands) in the winter and I've never had flat-spot issues.
Since you don't have a battert tender, I'd suggest you take the battery out of the bike and store it inside...
All modern motorcycles will do fine in winter conditions. I've ridden my FZ6R in temps down to 36 degrees.
The variables are tires and rider skill. I have Michelin Road 5's on my bike and they do fine all year.