Fender wells are the only solution here.
Low is fast and you can't be running with 'stuff' hanging down below the wheel rims, so a new set of headers is in your future. You should be able to get at least 1K for your 'new' pipes to put towards some fender dumps.
As far as on and off the trailer, you have to make a set of long or multi section ramps. For years I've used a floor jack or the trailer tongue jack and raised up the front of the trailer to LOWER the rear in order to unload really low cars. I've also run the rear of the tow vehicle up on a low set of ramps to do the same thing.
That car sure does look good at the present ride height ! Should be more stable and faster at the top end as well !