Cold-air intakes promise more horsepower and a louder engine sound, but how much performance do they really add?

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 ...

Why performance air intakes might be a great, low-cost investment if you’re looking for more power. Why are aftermarket air intake systems so popular? A related question might be, why replace the ...

The structure is surprisingly simpleIt has a really cool name, but today I am introducing the pressure wave ...