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V mounts sure look cool ... but if your intercooler and rad dont have the same air resistance, it just does not work correctly, unless you shroud them perfectly.
And people never do that.
Solution ? Remove fancy V mount and stack intercooler and radiator, with proper ducting. Popular belief is that opening the mouth in the front bumper is better, but you could not be more wrong about that ... Fluid dynamics is not that easy to figure.
Basically, you need a small opening in the front that then enlarge to the full profile of your radiator (this makes even more pressure in front of the rad). On the other side of the rad,t needs to go back to a small opening to exit (this creates even less pressure).
It works very well. In fact, it is how every plane heat exchanger and turboreactors work.
Also, as flatblackIan said, if you removed the undertray... fit it again.
The easy way to make ducting is using cardboard and duct tape, then using spray foam on that. Never said it was good looking though, but you can make it look better by trimming and painting it after.
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