Re: front deflectors
Cut off and weld may be your best option, even with heat I don't know that you are going to move it, aluminum is pretty tough and you run the risk of cracking a weld and worse case making the tube leak, aluminum doesn't like to bend more than once or twice and heating it will anneal it and make it soft.
Off the top of my head I would take a decent length 2x4 and cut a slot in the end big enough to fit over the splash guard and work it down to where it should be, real slow maybe 6-8 passes back and forth but find a welder first in case it does crack, unless they are super welded on the weld will probably just crack and it won't take out the tube but better safe than sorry.