RS4 Replica Inlet Pipe Set Audi S4 Finally, a readily available, affordable RS4 intake pipe solution for putting RS4 K04 turbos or JHM RS6 turbos on the 2.7t. 034 Motorsport took matters into their own hands and have manufactured replica intake pipes that are improved over OEM units. The restrictive flow straightener has been removed, and also the tapered turbo sealing flange has been improved to seal with a smoother surface free of slag like the OE pipes are known for. Manufactured from steel with a heavy duty powder coated finish, these pipes are an exact fit for OEM, every detail even down to the vacuum routing and mounting bracket 034 has duplicated precisely. Options: - Necessary couplers (2) and clamps for installing the inlets. Use dropdown box above. NOTE: couplers need to be trimmed to the proper length during the install.