Easy answer to that question is yes but don't bother trying to please everyone as we all do things different...Just make it to suit how you would build the car as a kit car firm and also make it fit the rear tub spotty dog like...
Another idea for you is:
GRP trans tunnel cover with fag holding tray and room for a can of red bull

Another one:
Full boot under tray/diffuser but same as boot lid(make it fit the grp tub)

I'll keep that lanky one busy hahahahahahahahahahaha