The Koni 1145 Sport Kit 00-06 Audi TT Quattro 1.8L is a performance suspension kit designed to improve the handling and ride quality of the Audi TT Quattro 1.8L. The kit includes Koni Sport shocks and struts, as well as progressive rate lowering springs. The kit also includes bump stops and dust boots for improved durability. The kit is designed to improve cornering stability and reduce body roll for better performance on the track. The Koni 1145 Sport Kit is perfect for the enthusiast looking to take their TT Quattro to the next level.