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Bolt-On Power: T4i Exhaust Manifold for 2007.5–2018 6.7L Cummins Upgrade your 6.7L Cummins with the DPS T4i Exhaust Manifold—engineered for better flow, lower EGTs, and more usable power. … read more

Why This 6.7L Cummins Exhaust Manifold Is a Must-Have for Your 2019–2021 Ram Upgrade your 2019–2021 Ram 6.7L Cummins with Diesel Power Source’s high-flow exhaust manifold. Designed … read more

How Do Compound Turbos Work? | Compound Turbochargers Explained On a 5.9L or 6.7L Cummins, a compound (twin) turbo pairs a small high-pressure turbo with a larger low-pressure turbo. The small turbo … read more

What is the Turbonator® VGT? Unlock the next level of diesel performance with the Diesel Power Source Turbonator® VGT— a patented variable geometry turbocharger designed to deliver unma … read more

Stuck Turbo Syndrome on Cummins 6.7L | Causes, Symptoms & Fixes If you drive a Cummins-powered Dodge Ram, you may have experienced Stuck Turbo Syndrome (STS). This issue is common on 6.7L Cummins … read more