Mishimoto Performance Cold Air Intake Kit Polished — Fits 2008+ Subaru WRX/STi

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SKU: MISMMAI-STI-08P
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Sale price$345.99 Regular price$392.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Performance Cold Air Intake Kit (Polished) for 2008+ Subaru WRX/STi

Add significant horsepower and torque to your 2008 and later Subaru WRX or STi with the Mishimoto Performance Cold Air Intake Kit. This meticulously engineered intake system is designed to replace the restrictive factory airbox, allowing your turbocharged engine to breathe more freely and perform at its peak. Whether you're hitting the track, participating in autocross events, or simply seeking a more exhilarating driving experience on the street, this intake delivers proven performance gains.

Dyno-Proven Performance Gains:

  • Significant Power Increase: Dyno-proven to deliver gains of up to 25 horsepower and 25 lb-ft of torque over the stock intake system.
  • Optimized Airflow: Features a mandrel-bent aluminum intake pipe designed to maximize airflow efficiency and reduce turbulence.
  • Direct Fit Design: Engineered for a direct fit on 2008+ Subaru WRX and STi models, ensuring a straightforward installation process.
  • Maintains Safe Air/Fuel Ratios: Designed to work seamlessly with the factory tune, ensuring safe and reliable operation without the need for ECU remapping.
  • Polished Finish: The attractive polished aluminum finish adds a sleek, high-performance look to your engine bay.

This Mishimoto Cold Air Intake is an essential upgrade for any Subaru WRX or STi owner looking to enhance their vehicle's performance and responsiveness. By optimizing the air intake system, you allow the engine to ingest cooler, denser air, leading to improved combustion and power output. The kit includes everything needed for installation, which can typically be completed in under an hour. Experience a more aggressive engine note and a noticeable improvement in acceleration. Trust Mishimoto for quality, performance, and reliability for your Subaru.

Vehicle Fitment

Years Make Model Trim
2014-2019 Mini Cooper S
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester XT Touring
2008-2014 Subaru Impreza WRX STI
2008-2014 Subaru Impreza WRX
2009-2010 Subaru Impreza 2.5 GT
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited

Product Details

Product Description
Part Numbers
Sizing & Fit

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Performance Cold Air Intake Kit (Polished) for 2008+ Subaru WRX/STi

Add significant horsepower and torque to your 2008 and later Subaru WRX or STi with the Mishimoto Performance Cold Air Intake Kit. This meticulously engineered intake system is designed to replace the restrictive factory airbox, allowing your turbocharged engine to breathe more freely and perform at its peak. Whether you're hitting the track, participating in autocross events, or simply seeking a more exhilarating driving experience on the street, this intake delivers proven performance gains.

Dyno-Proven Performance Gains:

  • Significant Power Increase: Dyno-proven to deliver gains of up to 25 horsepower and 25 lb-ft of torque over the stock intake system.
  • Optimized Airflow: Features a mandrel-bent aluminum intake pipe designed to maximize airflow efficiency and reduce turbulence.
  • Direct Fit Design: Engineered for a direct fit on 2008+ Subaru WRX and STi models, ensuring a straightforward installation process.
  • Maintains Safe Air/Fuel Ratios: Designed to work seamlessly with the factory tune, ensuring safe and reliable operation without the need for ECU remapping.
  • Polished Finish: The attractive polished aluminum finish adds a sleek, high-performance look to your engine bay.

This Mishimoto Cold Air Intake is an essential upgrade for any Subaru WRX or STi owner looking to enhance their vehicle's performance and responsiveness. By optimizing the air intake system, you allow the engine to ingest cooler, denser air, leading to improved combustion and power output. The kit includes everything needed for installation, which can typically be completed in under an hour. Experience a more aggressive engine note and a noticeable improvement in acceleration. Trust Mishimoto for quality, performance, and reliability for your Subaru.

Vehicle Fitment

Years Make Model Trim
2014-2019 Mini Cooper S
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester XT Touring
2008-2014 Subaru Impreza WRX STI
2008-2014 Subaru Impreza WRX
2009-2010 Subaru Impreza 2.5 GT
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited

Product Details

Product Description

About Mishimoto

Mishimoto is the modern leader in performance cooling — aluminum radiators, oil coolers, intercoolers, and silicone hoses for street, track, and tuner builds. Lifetime warranty on every Mishimoto product, with engineering tested at Bondurant and on track teams.

Watch in action

Mishimoto Performance Cold Air Intake Kit (Polished) for 2008+ Subaru WRX/STi

Add significant horsepower and torque to your 2008 and later Subaru WRX or STi with the Mishimoto Performance Cold Air Intake Kit. This meticulously engineered intake system is designed to replace the restrictive factory airbox, allowing your turbocharged engine to breathe more freely and perform at its peak. Whether you're hitting the track, participating in autocross events, or simply seeking a more exhilarating driving experience on the street, this intake delivers proven performance gains.

Dyno-Proven Performance Gains:

  • Significant Power Increase: Dyno-proven to deliver gains of up to 25 horsepower and 25 lb-ft of torque over the stock intake system.
  • Optimized Airflow: Features a mandrel-bent aluminum intake pipe designed to maximize airflow efficiency and reduce turbulence.
  • Direct Fit Design: Engineered for a direct fit on 2008+ Subaru WRX and STi models, ensuring a straightforward installation process.
  • Maintains Safe Air/Fuel Ratios: Designed to work seamlessly with the factory tune, ensuring safe and reliable operation without the need for ECU remapping.
  • Polished Finish: The attractive polished aluminum finish adds a sleek, high-performance look to your engine bay.

This Mishimoto Cold Air Intake is an essential upgrade for any Subaru WRX or STi owner looking to enhance their vehicle's performance and responsiveness. By optimizing the air intake system, you allow the engine to ingest cooler, denser air, leading to improved combustion and power output. The kit includes everything needed for installation, which can typically be completed in under an hour. Experience a more aggressive engine note and a noticeable improvement in acceleration. Trust Mishimoto for quality, performance, and reliability for your Subaru.

Vehicle Fitment

Years Make Model Trim
2014-2019 Mini Cooper S
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester XT Touring
2008-2014 Subaru Impreza WRX STI
2008-2014 Subaru Impreza WRX
2009-2010 Subaru Impreza 2.5 GT
2009-2014 Subaru Impreza WRX Premium
2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited

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