Thanks to a slim profile

Most notably

it features AISI 304 stainless steel Cooper Rings that bite into the aluminum head for maximum sealing

All aluminum

making them ideal for turbo builds

Driveshaft Shop Carbon Fiber Driveshaft, 2019+ BMW 340i xDrive E38 728i Thanks to a slim profileUpgrade your 2019+ BMW 340i xDrive with the Driveshaft Shop Carbon Fiber Driveshaftdesigned for serious performance enthusiasts who want maximum strength with minimum weight. This 1 piece carbon fiber driveshaft eliminates the factory rubber guibo and 2 piece design, improving throttle response and reducing drivetrain slop. Engineered for street or track use, its a direct bolt in solution with no modifications needed. Built to handle over 1,000 HP,