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I just went through this. I had Jason at Next Level Motorsports fab up my Air to Air intercooler over my intake. He had to make air dams to direct the radiator heat away from the cooler and also a scoop to draw in fresh air. My IC is rated to 1000hp so it is larger than...
For those of you in AZ, Midwest Family Mutual will write sand cars up to 150K, with up to 600hp. The kicker is that they require you to package it with Auto, Home, and Umbrella. They also do not write directly to the public. You have to use a broker.
I did a Gen 4 to Gen 5/6 hybrid kinda... I didnt want to stretch the chassis to move the fuel tank like the Gen 6. Like others have said, price can get out of hand super fast if your not diligent on your budget and stick to it. My renovation got out of hand early on and just got financially...
I have the FRS4 and it's noisy... But it works awesome, shifts smoothly, and holds up to a fairly high amount of power. The main drawback is the cost of repair. Gears (especially the R&P) and parts are very expensive. Mine went 7 years before a full rebuild.