EVGA recently announced that they have begun to sell their NVIDIA GeForce GTX 400 Series High-Flow Video Card Exhaust Bracket that is said to lower GPU temperatures by up to 5C. Lowering your video card temperatures by up to 5C for under $10 doesn't sound like a bad idea. All you need to do is remove a few screws and the bracket can be switched out quickly without having to worry about voiding the cards warranty. The question that we have to figure out is if the NVIDIA reference design exhaust bracket really that restrictive?