[header] How to install an aftermarket air intake [title] Determine the exact specifications of your car. [step] If you own a commonly customized car, such as a honda civic or a volkswagen jetta, you will likely need only your model, year, and engine type. If your car is less commonly modified, it may be harder to find aftermarket parts. 
[title] Research the types of intakes available and choose the one that fits your needs best. [substeps] Short-pipe intakes are the simplest design to install, but offer the least benefits in terms of horsepower, torque, and gas mileage.