MuchBoost 4.2 TDI Upgraded Turbochargers with Custom Billet Compressor Wheels and Clipped/Enlarged Turbine Wheels. They are based on original Garrett Turbochargers, which means that the installation is 100%P&P. The turbochargers are meant to work with Audi A8 D3 with the 4.2TDI BMC, BVN 320-326HP engines. The turbo delivers up to 178% power (250 extra HP) over the factory […]