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Mishimoto Performance Cold Air Intake Kit (Polished) - Subaru STi ('15+)

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Part Description:

Add some horsepower to your 2015+ STI with the new Mishimoto Performance Air Intake. This kit is engineered specifically for your 2015+ 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+ STI Performance Air Intake includes everything needed for installation installs in under one hour and works perfectly with the stock tune. The mandrel-bent aluminium intake pipe is available with a red or black powder-coated finish or a polished aluminium 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


  • Direct fit for 2015+ STI
  • Maximum gain: 20+ whp and 18 wtq
  • Mandrel-bent aluminium pipe offered in polished wrinkle black and wrinkle red
  • Includes heat shield to protect air intake from hot engine heat
  • Rubber cap supplied for noise generator
  • Designed in Delaware USA and filter made in USA
  • Mishimoto Lifetime Warranty


Max Gain
20+ whp and 18 wtq
Heat Shield Material
Steel Black Powdercoat
Oiled Filter
38 g of oil on filter
15+ Subaru STI
Engine Codes
Purchase Includes
Aluminium Intake Pipe
High-Flow Oiled Filter
Heat Shield w/ Protective Edging
Silicone Coupler
Rubber Mounting Isolator
Sound Generator Cap
Mishimoto Lifetime Warranty
Pipe Diameter
Pipe Material
Mandrel-Bent Aluminium
Chassis Codes
Filter re-oil is not included in Lifetime Warranty.
Under normal driving conditions hydrolock is unlikely. If the filter becomes submerged during flooding the engine may ingest water. Mishimoto recommends avoiding these conditions or re-installing your stock intake system if your area is prone to flooding.

Package Details:

41cm (16.0")
41cm (16.0")
30cm (12.0")
Actual Weight
4.09kg (9lb 0oz)
Dimensional Weight
10.07kg (Air Freight Minimum)

All weights/dimensions have been checked and confirmed by our warehouse team. This part is eligible for international express air freight shipping.

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Vehicle Fitment

This fitment information has been checked and reviewed by our staff.

Car Model Years Type/Chassis Engine
Subaru Impreza Subaru Emblem 2015-2016 GJ (Saloon) FA-Series - FA20 (2.0L)
Subaru Impreza Subaru Emblem 2015-2016 GP (Hatchback) FA-Series - FA20 (2.0L)
Subaru Impreza Subaru Emblem 2015-2016 STI EJ-Series - EJ25 (2.5L)