Bolt-on upgrade turbocharger solution for Audi / Porsche / VW 3.0 TFSI EA839 power gain, designed to work with stock exhaust manifold and other engine units.

Upgrade turbocharger for Audi / Porsche 3.0 TFSI Stage 1 features:

reinforced bearing system;
reinforced bigger machined from the solid compressor wheel - 54/67mm;
enlarged turbine wheel - 58/54mm;
refurbished housings;
new shafts;
balanced on VSR;
Power range: up to 550HP;

Upgrade turbocharger for Audi / Porsche 3.0 TFSI Stage 2 features:

dual ceramic ball bearing;
reinforced bigger machined from the solid compressor wheel - 60/74mm;
enlarged turbine wheel - 60/55 mm;
refurbished housings;
new shafts;
balanced on VSR;
Power range: 650+ HP;

Upgrade turbocharger for Audi / Porsche 3.0 TFSI Stage 3 features:

dual ceramic ball bearing;
reinforced bigger machined from the solid compressor wheel - 64/79mm;
enlarged turbine wheel - 68/63 mm;
refurbished housings;
new shafts;
balanced on VSR;
Power range: 700+ HP