Write SQL query to solve given problem: Among the cars with 8 cylinders, what is the name of the one that's the most expensive?. Keep the solution inside sql tag ```sql [SQL-Query] ```
SELECT T1.car_name FROM data AS T1 INNER JOIN price AS T2 ON T1.ID = T2.ID WHERE T1.cylinders = 8 ORDER BY T2.price DESC LIMIT 1