Your car deserves a breath of fresh air, so let's dive into the aftermarket for a bit more power, efficiency, and beauty under the hood. Before we consider any ...

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 ...

In a naturally aspirated engine, as air comes in through the intake and passes through the throttle body, you've traditionally had two setups for what happens next. Using longer, narrower intake ...

Last month we showed what gains were available from three aftermarket Three-Valve intake manifolds in naturally aspirated trim. This month we're going to try the same three intakes, only now we'll see ...

The intake manifold distributes air or air/fuel mixtures to the individual cylinders under varying engine speeds, loads, and environmental conditions. Whether the working flow is pure air, air/fuel, ...

No one around the shop could remember the last time we ran our 302 dyno mule, but it must have been five years ago. Fitted with a fresh set of AFR cylinder heads, the little beast started right up and ...

Premier Tuning Group, is proud to announce the launch of their latest product - the PTG-X M178/M177.1/M177.2 Intake Manifolds. Developed in-house by PTG's team of performance specialists, the PTG-X ...