CycleFinish products really work, are easy to apply and they don't attract dust while my bike is parked in the garage. I live on a dirt road so I also use a California duster to do a quick clean up after every ride.
There are different products for paint, powder coat, metal, tires & wheels...
http://www.cyclefinish.com/index.html
As best I can tell Harley's Sunwash or any other similar product that doesn't leave any residue is OK for washing.
For exhaust pipe discoloration Blue-Job does what it says is will do.
http://www.blue-job.com/
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05 Road Glide