Build it RIGHT!
Elio Aficionado
Very late here, tired.That's a P5 picture; the air cleaner is installed in that picture, you can see it under the left headlight, it's one of those cone shaped, high performance air filters.
As for a turbo; the turbo for this size engine it could be the size of the ones they use on the 1100 Superbikes that have turbos; just a little thing.
This is only a .9 liter motor
There are a bunch of under the hood, and engine on the stand pictures here on the site, just do a Search for: Engine, Motor, driveline, under hood and you should get a bunch of results.
If I put up my collection; it would take the next 5 or 6 pages.
Saw the Cone shaped airfilter, doubt that kind of filter will be used.
On forced induction, from what I've read Paul was wanting at a later date offer it but was told whole exhaust gas recirculation system would have to be redesigned.
(And main engine components swapped out)
Additionally I've read that Reddit,HVAC contractor isn't happy/ is having problems designing HVAC system due to lack of space.
Both issues IMO being easily solved by making the ELIO slightly wider.