4.0 TFSI Ball Bearing turbo Upgrade

Ball bearing 4.0TFSI turbo upgrade, compatible with all 4.0t Audi engines, s6 s7 rs6 rs7 s8.  Requires a core exchange (send in your old turbos).  We use a GT28/GT30 OR Xona rotor ball bearing cartridge to increase output by over 25% without sacrificing spool.  Core can be any model 4.0T turbocharger.  We have sets ready in stock to ship out so that your car wont be down more than a day.  Includes OEM 5axis cnc'd oil and water adapters to preserve stock lines.  GTX28 GTX30.  These are available with genuine Garrett cores or equivalent proven ball bearing cartridges for a discounted price, both carrying the same one year limited warranty.