While I don't have any first hand results, I do have this intercooler sitting in a box in my garage. From my inspection it looks like a pretty decently constructed unit, and I am sure performs better then the stock location intercooler.
I would love to support the buick vendors, but I don't see anyone offering an intercooler at this price.
But then again if you can't fab or make your own pipes, your going to approach the price of the lower end intercoolers of the vendors anyway.
This is my take on the Buschur Racing reports on this intercooler. First of all the guy doing the test sells intercoolers himself for the EVO's, which I think might be skewed. I am not saying he is lying by any means on the numbers reported, but there is incentive for him to do. I would like to see an independent test by someone, then possibly duplicated by someone else.
But this is probably not reality due to the cost and effort of putting everything together and the varying factors associated with measuring effectiveness.
Also the ebay intercoolers "working" efficiency clearly states 30-35 psi where the Buschur Racing guy is testing different boost levels up to 42psi peak
Here is one of the threads talking about the intercooler tests performed.
Ebay FMIC testing VS. BR Race FMIC - Buschur Forums
BY no means am I saying this intercooler perfoms anywhere near an rjc , cottons, or pte unit for the buicks, but it would be nice to have someone test all the major buick intercoolers and post results.
I will be putting this ebay style front mount on my car in the next month or so and I will try to report back with some findings, but I find it hard to believe that this intercooler will "barely perform better then stock".