MuchBoost Z38/OM639 Upgraded Turbocharger with a Custom Billet Compressor Wheel. It is based on an original IHI Turbocharger, which means that the installation is 100%P&P. The turbocharger is meant to work with Smart ForFour and Mitsubishi Colt VI with the Z38/OM639 68-95HP engines. The turbo delivers up to 205% power (72 extra HP) over the factory specs. […]