DIY Ram Air Plenum

Here's my thought....

I am considering getting a piece of Plexiglass and constructing a plenum for my car. Should be easy enough to clamp to the hood and trace out the pattern, seal it to the hood with some sort of rubber or foam "gasket" and do the same for the air cleaner. I would most likely leave the intake scoops open, no flappers.

Anyone ever tried this or have input on why it would not work or other problems?

If it works out it might be kind of neat to put some mirrored window tint on the back side of it so it reflects the engine compartment with the hood open??

I can't see any issues other than the slight bend in the plenum to allow a little more room for the filter.

I'd be scratching my head trying to make a filter to suit.

Plexiglass will not hold up well. It is crack prone and distorts when heated. Lexan would be a better choice but then it starts getting expensive for a sheet big enough for the job. After its all said and done with the time and materials invested, buying a repo air dam would be the better option IMO.

I've thought about fabbing an aluminum one. But not now since I decided to go with a 5.0.

Something like this

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Fibreglass and aluminium work best run some reflectiv heat tape underneath

Also spectre proformance make this. It gets you more than half way there

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http://www.spectreperformance.com/