An Intake system is an easy and great way to add more power to your STI and Injen makes it even easier with their Evolution Series Intake System. Their direct fit intake utilizes all of the factory mounting points to ensure you get an intake which fits beautifully. The enclosed air box gives you plenty of cool air for maximum power gains along with looking better than the factory intake. If you are looking for more power and sound, look no further than the Injen Evolution Intake, being 100% made and designed in the USA you know youre getting a high quality product that will last a life time.