• Unleash the Power: ETS is thrilled to present our 2015 - 2018 WRX Intake System! Get immediate performance gains without any retuning. • Maximum Airflow: Our custom billet 5' velocity stack and huge K&N filter work together to provide the most filter surface area and airflow. • Cold Air Intake: The optional air box isolates the intake from hot engine bay temps, delivering the coldest and most direct intake charge. Features: - No tune required and maintains safe a/f ratio. - Full 3.0' diameter tubing. - Billet CNC 5.0' velocity stack for maximum air flow. - Large 5' K&N filter for maximum surface area. - Includes Plug and Play harness for optimal MAF placement w/ large filter. - Works w/ factory intake duct which supplies cold air to the filter. - Includes all hardware and silicone. - Easy to install. - Made in the USA. - Optional Air Box available. Note: The Air box will not fit with the EyeSight model WRXs. Stock Intake V. ETS Intake: This graph shows it's safe to use our ETS Intake on a stock tune. It only changes the A/F ratio by .4

This high - performance airbox is perfect for Subaru WRX 2015+ owners who want to boost their car's performance. Whether you're a daily driver looking for better fuel efficiency or a racing enthusiast seeking more power, this airbox is for you. It uses a stock - size MAF housing and has a 3.0' diameter tubing. The custom billet 5' velocity stack and 5' K&N filter work together to bring in as much air as possible. And if you choose the optional air box, it keeps the intake cool. It's easy to install and comes with all the necessary hardware and silicone. Just note, it won't fit EyeSight model WRXs.