Driveshaft Shop 1400HP Level 5 Axles (2009-15 CTS-V)Product Description: The Level 5 CTS V axles are designed to handle over 1300HP. Using our chromoly center bars, 108mm Porsche style CV's that have our very own custom 30 spline races (all Porsche CVs come with a small 28 spline) bolt on chromoly inner and outer stubs, these are a direct bolt on that fit the stock hubs and come complete with all the necessary hardware. Not only will these axles handle the horsepower, we have made the axle to with same