Turbo CHRA Audi RS7 4.0T 079145721B, 079145703S, 079145704S, 079145703K, 079145704K, 079145703R, 079145704R. This CHRA is also applied for Audi RS6 4.0T engine and used to upgrade Audi A8, S6, S7 … Continue reading Turbo CHRA Audi RS7 RS6 4.0T 079145704R, 079145703R, 079145703S, 079145704S, 079145703K, 079145704K, 079145721B