
Smeding Diesel S300 turbo kit for the 2003-2007 5.9L Cummins
Smeding Diesel S300 Turbo Kit For The ’03-’07 5.9L Cummins *TUNING REQUIRED* A Tried And True Turbo For decades, the S300 has been a popular aftermarket alternative for Cummins owners seeking improved reliability and performance. This turbo platform’s ability to handle higher boost and faster shaft speeds means it’s much better suited to the demands most diesel owners place on their trucks. Additional benefits include lower EGT and less drive pressure, which means an easier life for your engine (especially the head gasket). The S300 turbo’s simplistic, fixed geometry design further lends itself to longevity thanks to having no vanes to seize up and no actuator to fail. More Performance & Added Reliability—At A Fraction Of The Cost In addition to an upgraded turbo, our comprehensive kit comes with everything you need to install an S300 on your ’03-'07 5.9L Cummins. This includes a new, two-piece T4 divided exhaust manifold, which outflows the factory unit and provides for quick