RISK NORMALISATION When the unacceptable becomes acceptable What Mishimoto 2015 Subaru STi Performance Intake Wrinkle Black. Add some horsepower to your 2015 2017 STI with the new Mishimoto Performance Air Intake. This kit is engineered specifically for your 2015 2017 Subaru STI and includes everything needed to replace the restrictive stock airbox. Our engineers spent months fine tuning this design in an attempt to squeak out every last bit of performance. This dyno proven air intake provides 20 whp 18 wtq gains over the stock intake while maintaining safe air fuel ratios, perfect for some extra punch on the street or autocross course. The Mishimoto Subaru 2015 2017 STI Performance Air Intake includes everything needed for installation, installs in under one hour, and works perfectly with the stock tune. The mandrel bent aluminum intake pipe is available with a red or black powder coated finish or a polished aluminum finish. This pipe utilizes the Mishimoto air straightener and CNC machined mass airflow sensor (MAF) housing to provide accurate and consistent MAF readings, which translates into a smooth power band. To reduce air intake temperatures (IATs), the air filter has been placed outside the hot engine bay, and a powder coated heat shield prevents any heat soak from occurring. The Mishimoto free flowing air filter provides a 16% greater surface area, optimal airflow, and proper filtration of dirt and debris. The included Mishimoto oiled air filter is completely serviceable, allowing for a lifetime of reliable use. Additionally, this kit includes a silicone coupler, clamps, and all other hardware necessary to complete a quick installation for easy bolt on power. A rubber cap is provided to place over the sound symposer housing. Along with an upgrade in power, this intake also provides an aggressive and rich intake tone that is a huge improvement over the stock intake. The Mishimoto Subaru WRX STI Performance Air Intake is designed in Delaware, USA and includes the Mishimoto Lifetime Warranty Mandrel bent aluminum pipe offered in polished, wrinkle black, and wrinkle red Includes heat shield to protect air intake from hot engine heat Maximum gain: 20 whp and 18 wtq This Part Fits: Year Make Model Submodel 2015 2017 Subaru WRX STI Base 2015 Subaru WRX STI Launch Edition 2015 2017 Subaru WRX STI Limited 2016 Subaru WRX STI Series. HyperBlue