Putting power to the ground through the 6-speed manual or 7-speed PDK transmission requires a rigid driveline. Factory rubber mounts degrade rapidly under hard acceleration, causing transmission deflection and vague gear changes. Installing stiffened polyurethane Drivetrain Bushes locks down the transaxle for immediate throttle response. For those building dedicated track cars, future-proofing the chassis with upgraded clutches, lightweight flywheels, and solid engine mounts ensures your drivetrain handles aggressive launches without hesitation.