Quote:
Originally Posted by Sirbelch
Turbo put 10-11 Cusco braces and a huge 4mm metal plate on the front sub frame on an EVO and they said it didn't make the car handle better (quantitatively) but they did get more feed back from the car (qualitatively) and it improved ride quality on the streets. The thing is, that EVO had a full bushing kit (some of which were metal), roll center adjusters front and rear, front and rear sway bars, wide, near R comp rubber on light weight wheels, a wicked alignment and a $12,000 set of Moton coilovers. So braces do help but only after you sink $18,000 in parts into the car before you buy the braces.
Manufactures make braces because they have a high profit margin for a relativily cheap product.
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So, They can help get faster lap times by giving the driver more information on what the car is doing if the driver is good enough to take advantage of said information. That advantage will be like 3 tenths max on a medium sized road course.