Red Silicone turbo hose kit, Audi C5 RS6 (Typ 4B) 2002-04. Replace your rubber hoses with our quality six-piece silicone hose kit. Silicone hoses can withstand far higher and lower temperatures than the standard EPDM rubber hoses commonly found in OEM engines. Increased durability, increased performance, along with an amazing high gloss finish in a variety of colours are the reasons why silicone hoses are the preferred choice for all motorsport teams and enthusiasts alike. This kit fits the following engine codes: BCY / BRV.