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Originally Posted by aerohead

1) A welded framework is virtually a given for the speeds you're talking about.
2) Purchasing an entry-level flux-core wire welder from HARBOR FREIGHT TOOLS would probably pay for itself, compared to hiring out welding services.
3) You'd need to be doing spot-welds under the car, to guarantee fit and clearance.
4) 1/2-inch EMT, or light square tubing.( Angle, square, rectangular aluminum extrusion, drilled, bolted, pop-riveted , epoxied, attached to 'hangers' suspended from wherever you can.
5) Curves can be produced with a pipe-bender.
6) Attachment tabs can be welded on wherever you need. Dzus fastener females as well.

My girlfriends family is full of welders. They have all the tools and they agreed to help. All I need is the material and measurements pretty much