Turbocharged Upgrade: HSP Diesel Duramax S300 Turbo System

  -Advertisement- -Advertisement- Making 500hp in a 2001 to 2010 GM Duramax is easy, right? While easy may not be the right word, the Duramax is a very capable engine; with the right combination of parts (good tuning, lift pump, built transmission and a few additional bolt-ons) 500 to 530hp is definitely an achievable goal. … Continue reading Turbocharged Upgrade: HSP Diesel Duramax S300 Turbo System