Upgrade turbochargers kit for Audi RS6, RS7 and S8 with 4G 4.0l TFSI engines.
 
Power range: up to 920hp
 
What is upgraded?
Both turbochargers equipped with dual ceramic ball bearings, compressor wheels replaced with bigger reinforced machined from the solid billet  impelers to hold heavy loads on high boost. Enlarged turbine wheels. Refurbished housings, new shafts and balanced on VSR.
 
When installing new turbocharger we recommend to read our Installation guide.