Sponsored Content. We may receive a commission on purchases made from links. The 6.7-liter Cummins turbodiesel inline-6 is one of the most widely used diesel engines out there. It has been fitted to ...

If you think about it, there are things about your car that just don’t make sense. You’ve been told that more air is a good thing for power, that a cold air intake, more scoops, more vents, etc, are a ...

Popping the hood of a new Mercedes-Benz 300SL Gullwing must have been quite an experience for most enthusiasts in the Fifties. For starters, the 3.0-liter straight-six sat canted at a fifty degree ...

It seems everyone has a favorite intake manifold. Some guys scour swap meets, garage sales, and dumpsters looking for long discontinued intakes because they know "they're the best." Others are ...

Rumors of its existence have been going around the Internet since the first prototype went out the door for testing. Over the course of the last three years or so, C&L proprietor Lee Bender has been ...

VW and its partners on the air intake manifold project, which was first discussed in 2009 at a conference in Germany (see our initial report here) and now has placed PP manifolds on a wide variety of ...

There is no question that the DOHC 5.0L Coyote engine has taken Mustang performance to new levels, and the spotlight, but if you have a Three-Valve 4.6L, there are still a lot of performance options ...