The Mercedes 45 AMG platform is a worldwide hit with its 2.0L turbocharged engine. Taking on competitors such as the BMW N55 and JDM tuners like the Subaru STI, the 45 AMG...
One of the easiest ways to gain horsepower and improve your throttle response on the BMW 40i B58, turbocharged engine, is with an air intake kit.
The Ford Focus RS intake system is very well engineered. All the factory plastic tubes have well developed air flow paths. However, there can be improvement directly at the air...