Audi A4 / S4 / RS4 / B8 / B8.5 09-17 - Rear Differential Mount Inserts

Created by automotive engineers using sophisticated CAD software, and honed with finite element analysis (FEA), Direnza’s new mount inserts noticeably improve excessive Drivetrain movement under load, as confirmed by professional drivers during road and track testing sessions. Direnza's Mount inserts are manufactured from aircraft grade aluminum and anodized black. Significantly reduces differential movement underload when accelerating, decelerating and shifting. Limit movement without sacrificing ride quality or introducing any additional noise, vibration or harshness in the cabin.