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D4 Driveshaft Center Support Bearing Carrier Upgrade
Holds the driveshaft where it should be. Isolation dampers minimize vibrations.
The stock center support bearing carrier holds the driveshaft in place with rubber so thin about 20 lbs of force moves it from center to the end of its travel. While that’s great for making sure no NVH makes it to the cabin, the stock bushing is extremely prone to failure, especially in harsher climates and on higher-powered cars. When the bushing lets go, it leads to excessive vibrations and clunking which can damage the transmission and rear diff. To make matters worse, the stock carrier is molded onto the non-serviceable center support bearing, leading to costly driveshaft replacement.
This upgraded unit keeps the driveshaft firmly in place at all times, and its polyurethane construction ensures it will never wear out. The thick bushings ensure the driveshaft cannot move from center, maintaining driveshaft alignment at all times.
Two options are available for the bushings, both of which are many times over better than the stock bushings. We’ve paid close attention to the NVH levels associated with this upgrade. From experience on the B8 platform, we’ve engineered a custom isolator bushing that separates the carrier from the body of the vehicle and mounting bolt to substantially reduce NVH levels.
The street bushings absorb most of the NVH from the drivetrain. Expect some light NVH at some speeds in the form of a soft hum. With a modified exhaust or windows down you’ll probably never hear it. Most NVH is heard between 20-40 mph. At highway speeds it fades away.
The track bushings are for those who want no-compromise drivetrain performance. These will create a substantial amount of cabin noise throughout the low range, again fading at higher speeds, but not entirely. Not sure which is for you? Try them both, they’re interchangeable!
Installation doesn’t require the removal of the driveshaft. The 2-part design clamps around the unserviceable OEM bearing. The old carrier must be removed, so a cutting tool is required. We’ve designed this carrier to avoid interference with the factory heat shields, so it has no effect on exhaust clearance.
|Dimensions||12 × 9 × 2 in|
Street (Soft, Quieter), Track (Hard, Louder), Give me Both!