Here's a cheap and easy way to get cooler intake air.
Track Racing Autoparts Store sells the air intake fittings and filter.
When I bought one they were a little over $50.
Install is quick and easy.
This product doesn't include a barrier to reduce engine heat so here's how I made my own.
I got a poster board and a sheet of aluminum at the local hardware store.
After cutting, folding and cussing awhile I had a paste board pattern for the baffle.
Made the baffle with the aluminum and trimmed the top until it didn't hit the closed hood. A flashlight helps peeking through the cracked hood.
Then take a few large paper clips and put them on the top edge, close the hood to push them down, open the hood and you can see what you need to trim.
I left about 1/2 inch space and used some door sweep rubber to extend the sides to the hood.
It isn't air tight but should help keep the air temperature down.