There are several good reasons to trade your original-equipment air intake for a cold-air intake. But there are drawbacks, too. Here's the breakdown.

This list of technologies isn't quite the dig-and-squat of the car world, but it still represents the legion of features in ...

Like most German luxury cars, Audi models aren't the cheapest to own. The Audi Q7's maintenance cost adds up over time; we'll ...

Over time, carbon deposits can accumulate in your vehicle's fuel system and engine, leading to reduced performance and fuel ...

This generation of Holden engines was prone to failure of the crankcase ventilation valve (PCV). When it failed, it caused a vacuum leak in the engine that could easily cause rough running and hard ...

Initially, direct injection technology was more closely associated with diesel-powered vehicles such as the TDI lineup from Volkswagen and Audi. Although TDI is the ... of debris inside the engine’s ...

Adding to a bit of the confusion, Audi allowed American journalists ... revised designs for the cylinder head and intake manifold, and different compression ratios. All in the hopes of making ...

Intake manifolds may not be the most well-known automotive components, but that doesn't take away from their importance. These devices are responsible for sending a precise mixture of fuel and air ...

From a distance, one could easily confuse this Audi RS3 with a stock one but look ... five-cylinder engine and installed an improved intake manifold. The tuner has then tuned both the engine ...

Audi on Monday announced U.S. pricing for ... and a rear wing with swan-neck struts. The intake manifold is also painted black. Cars coming to the U.S. also get standard carbon fiber side blades ...