JXB Performance Driveshaft Center Support Bearing Carrier Upgrade | C5 A6 · S6 · RS6 | 4.2L V8 · 4.2L Turbo V8 n63 Factory resonator replaced by an

Factory resonator replaced by an x-pipe for increased volume and an improved throaty note

Carbon fiber allows our engineers to create complex shapes and angles to maximize internal volume while maintaining high resistance to heat

Available as sophisticated Touring Edition or unleashed Track Edition

COBB Tuning is happy to offer you our Cat-Back Hardware Kit to replace those components that have decided to walk away

JXB Performance Driveshaft Center Support Bearing Carrier Upgrade | C5 A6 · S6 · RS6 | 4.2L V8 · 4.2L Turbo V8 n63 Factory resonator replaced by anThe stock center support bearing carrier holds the driveshaft in place with a layer of thin rubber. While thats great for making sure no NVH makes it to the cabin, it doesnt keep the bearing centered well under load, allows the bearing to sag and ruin driveshaft alignment over time, and creates slop in the driveline during shifts and throttle application. Over time the OEM bushing becomes brittle, eventually dry rotting and cracking. Even on the best