






Hybrid Turbo BorgWarner K03 Audi S4 2.7 (B5) 265HP – High Performance Upgrade
K03s Stage 1 gains up to +100HP
K03s Stage 2 gains up to +130HP
K03s Stage 3 gains up to +180HP
K03s Stage 4 with RS6 Turbine Housing gains up to +220HP
Technical Specifications:
Original BorgWarner K03 base – 100% Plug & Play installation
Developed for Audi S4 2.7 (B5) 265HP
Modifications & Upgrades:
» Plug & Play installation
» MFS compressor
» High-flow turbine
» Ceramic bearings for performance
» CNC machining
Developed by HPTURBO for maximum performance with OEM-level reliability
*REQUIRES PRIOR SHIPPING OF YOUR TURBO
**The optional “Turbo Stock” option is only available and applicable when purchased together with one of the stages listed above.
*NOTICE: Stage Turbos are not suitable for stock vehicles. The values referred to as gains "+ xx HP" represent the pressure and airflow capability of the turbo upgrade. To achieve these power levels, additional upgrades such as fuel system, intercooler, exhaust system and methanol injection may be required. Any performance setup requires proper ECU calibration.
All prices are subject to VAT at the current legal rate.
Turbo References: 53039880016, 53039700016, 078145701S, 078145701R, 078145703B, 078145703C, 078145703D, 078145701H, 078145703S, 5303-970-0016