Kkk twin K03 turbochargers - Audi S4 A6 ALLROAD 2.7L
genuine Audi OEM replacement twin turbochargers for 2.7L
Audi S4 (00-03)
A6 std shift (2003-2005)
ALLROAD std shift (2000-2003)
Performance upgrades available featuring both compressor and turbine impellers of a proportionally larger size for excellent spool-up and driveability, reduced EGT, higher boost capacity and strong top end.
impeller sizing / HP comparison chart:
STOCK K03 turbos: 31.4 / 45 mm - 37.5 / 45 mm 250-300 HP
STG1 K03 upgrade: 35.9 / 50 mm - 40.0 / 45 mm 250-400 HP
STG2 K04 upgrade: 38.0 / 51 mm - 42.0 / 50 mm 300-500 HP
All these turbos are direct bolt-on replacement for the K03 and fit the stock air intake tubes.