Product information "TTE RS C7 RACE 4.0TFSI UPGRADE TURBOCHARGERS" 
 AUDI 4.0 TFSI RS6, RS7, S8,  S7,  S6, A8 TTE RS C7 UPGRADE TURBOCHARGERS
 BENTLEY CONTINENTAL GT V8 / V8S UPGRADE TURBOCHARGERS
 
 TTE C7 RACE  is  OEM RS performance upgrade turbochargers for the 4.0 TFSI. 
 Same power & response as original but with added durability from an upgrade TTE bearing system, Motorsport clearance, and  balanced core for stage 1, 1+ or 2 tuned cars. 
 This is a direct shop-on replacement for your worn out or damaged factory RS6 / RS7 turbos.
 These units are a direct swap vs RS6 / RS7 turbochargers with no special software calibration required.
 The S6 / S7 / S8 will require software for RS6 / RS7 turbochargers.