One of the cheapest and most effective car modifications that people do is replacing their factory intake filter with an aftermarket one. Not only does this make the car's engine louder, but it adds some horsepower to the engine as well.
However, there are many different types of car intakes to choose from, and many models to choose from within each specific type. This can be quite confusing for a person that is not a mechanic or car enthusiast. This ebook will outline the different types of intakes that you can buy for your car, and will open your eyes to the best ones for your specific car and engine.