Having a V8 engine does not always guarantee big power. Some, like the early 350-horsepower LS1, are tuned for drivability and usable power delivery, not necessarily outright horsepower performance.
Helping your engine breathe with an updated intake is a simple way to make performance gains, and Spelab has multiple options that will get your 6.7L Cummins diesel breathing easy. But what’s really ...