This kit replaces the rubber inlet hoses that feed filtered air from the airbox to both turbochargers on the RS4 2.7 BiTurbo. The hoses are moulded from high quality silicone with three to five reinforcement layers and carry an integrated steel wire spiral, which stops them collapsing under the negative pressure the twin turbos pull on the intake side. Silicone also survives the underhood heat that leaves the factory rubber hard and split at the bends. Matching hose clamps are sold separately as clamp-kit226.
Specifications
| Type | Silicone turbo inlet hose kit |
| Material | Silicone, three to five reinforcement layers, integrated steel wire |
| Color | Black |
| Part Number | do88-kit226S |
| OEM Replacement | 078129627P, 078133241G, 078133241H, 078145719P |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2000-2002 | Audi | RS4 (B5) | quattro 2.7 BiTurbo (ASJ, AZR) |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
