The CTA Manufacturing Porsche 996 Tiptronic Trans Mount Adapter - Automatic, No. 2304, is for use for replacing worn or damaged automatic transmission mounts on Porsche 996. The vulcanized rubber mount separates from the housing, causing an increase of NVH during acceleration. With the 2304, users can easily replace mount with transmission still fitted to vehicle. Requires the Porsche 996/997 Transmission Mount Tool - Manual, No. 2303 for use.