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Had the Spyder up on the lift for the first time today and in looking at the front brake ducts I'm not sure how well they can work. There are flaps almost covering them- does the air flowing thru open them up at speed? They seem pretty stiff. Am I missing something??
On the GT4, you remove that piece to increase front downforce a bit to match a high downforce setting on the rear wing. On the Spyder, leave it there because if you take it out, you'll have a tad more front downforce at higher speed but without the increased rear downforce to match.