The Bugatti Veyron is a special vehicle that requires special equipment to meet its high performance. That's why it took ADV.1 two years to develop the ADV6.0 Track Spec SLs that are sitting on the car in these photos. Seeing aftermarkets on a Veyron is just as rare as seeing a Veyron itself.
Related: The Complete History of the Bugatti Veyron
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[via Reddit]