aFe MagnumFLOW OER P5R Air Filter — Fits Subaru Impreza WRX STI 2008-2011 H4-2.5L

SKU: AFE30-10161
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About aFe aFe Power is the racing-bred air, exhaust, and ...Read More

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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 aFe

aFe Power is the racing-bred air, exhaust, and intercooler brand. From Magnum FORCE intakes to ATLAS exhausts and BladeRunner intercoolers, every aFe product is dyno-tuned for measurable HP and torque gains on Ford, GM, Ram, and import platforms.

Watch in action

aFe MagnumFLOW OER P5R Air Filter for Subaru Impreza WRX STI (2008-2011)

Maximize the performance of your Subaru Impreza WRX STI with the aFe MagnumFLOW OER P5R Air Filter. This premium, oiled OE replacement filter is engineered for high-flow efficiency, delivering increased horsepower and torque compared to standard filters. It features five layers of progressively finer mesh cotton gauze media, ensuring optimal airflow while effectively capturing dirt and debris. The filter's design includes tall, evenly spaced pleats that provide a large surface area, enhancing dust-holding capacity and extending the time between necessary cleanings.

Key Features and Benefits:

  • Enhanced Airflow: Five layers of cotton gauze media maximize air intake for improved engine response.
  • Performance Boost: Experience gains in horsepower and torque for a more exhilarating driving experience.
  • Durable Construction: Built with a 100-percent polyurethane boxed frame for a secure fit and long-lasting durability.
  • Washable & Reusable: This filter is designed for multiple cleaning cycles, offering an economical and environmentally conscious choice.
  • Reliable Seal: An integrated urethane bump seal ensures a tight, leak-free connection throughout the filter's operational life.
  • Extended Service Life: The high dust-holding capacity of the pleated media reduces maintenance frequency.

Vehicle Fitment:

This aFe MagnumFLOW air filter is specifically designed for the following Subaru models:

  • Subaru Impreza WRX STI: 2008-2011 (H4-2.5L Turbocharged engines)
  • Subaru Forester: 2008-2011
  • Subaru Legacy: 2005-2011
  • Subaru Outback: 2005-2011
  • Subaru Tribeca: 2006-2014
  • Subaru B9 Tribeca: 2006-2007

Upgrade your Subaru's air intake system with this high-performance filter from aFe, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2007 Subaru B9 Tribeca Base
2006-2007 Subaru B9 Tribeca Limited
2016-2017 Subaru Crosstrek Base
2016-2017 Subaru Crosstrek Limited
2016-2017 Subaru Crosstrek Premium
2008 Subaru Forester X L.L. Bean Edition
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2009-2013 Subaru Forester X Limited
2009-2013 Subaru Forester X Premium
2009-2013 Subaru Forester X
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester X Touring
2011-2013 Subaru Forester XT Touring
2014-2018 Subaru Forester 2.0XT Premium
2014-2018 Subaru Forester 2.0XT Touring
2014-2018 Subaru Forester 2.5i
2014-2018 Subaru Forester 2.5i Limited
2014-2018 Subaru Forester 2.5i Premium
2014-2018 Subaru Forester 2.5i Touring
2008-2011 Subaru Impreza 2.5i
2008-2011 Subaru Impreza Outback Sport
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
2010-2011 Subaru Impreza 2.5i Premium
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2012-2016 Subaru Impreza Sport Limited
2012-2016 Subaru Impreza Sport Premium
2012-2018 Subaru Impreza Base
2012-2018 Subaru Impreza Limited
2012-2018 Subaru Impreza Premium
2017-2018 Subaru Impreza Sport
2005 Subaru Legacy GT Limited
2005 Subaru Legacy i
2005 Subaru Legacy Limited
2005-2006 Subaru Legacy GT
2006-2009 Subaru Legacy GT spec.B
2006-2019 Subaru Legacy 2.5i
2007-2009 Subaru Legacy 2.5i Special Edition
2007-2009 Subaru Legacy GT Limited
2007-2019 Subaru Legacy 2.5i Limited
2008-2009 Subaru Legacy 3.0 R Limited
2009 Subaru Legacy 3.0 R
2010-2012 Subaru Legacy 2.5GT
2010-2012 Subaru Legacy 3.6R Premium
2010-2013 Subaru Legacy 3.6R
2010-2019 Subaru Legacy 2.5i Premium
2010-2019 Subaru Legacy 3.6R Limited
2014 Subaru Legacy 2.5i Sport
2017-2019 Subaru Legacy 2.5i Sport
2005 Subaru Outback VDC Limited
2005 Subaru Outback i
2005 Subaru Outback Limited
2005-2006 Subaru Outback XT
2005-2006 Subaru Outback R
2005-2008 Subaru Outback R L.L. Bean Edition

…and 30 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About aFe

aFe Power is the racing-bred air, exhaust, and intercooler brand. From Magnum FORCE intakes to ATLAS exhausts and BladeRunner intercoolers, every aFe product is dyno-tuned for measurable HP and torque gains on Ford, GM, Ram, and import platforms.

Watch in action

aFe MagnumFLOW OER P5R Air Filter for Subaru Impreza WRX STI (2008-2011)

Maximize the performance of your Subaru Impreza WRX STI with the aFe MagnumFLOW OER P5R Air Filter. This premium, oiled OE replacement filter is engineered for high-flow efficiency, delivering increased horsepower and torque compared to standard filters. It features five layers of progressively finer mesh cotton gauze media, ensuring optimal airflow while effectively capturing dirt and debris. The filter's design includes tall, evenly spaced pleats that provide a large surface area, enhancing dust-holding capacity and extending the time between necessary cleanings.

Key Features and Benefits:

  • Enhanced Airflow: Five layers of cotton gauze media maximize air intake for improved engine response.
  • Performance Boost: Experience gains in horsepower and torque for a more exhilarating driving experience.
  • Durable Construction: Built with a 100-percent polyurethane boxed frame for a secure fit and long-lasting durability.
  • Washable & Reusable: This filter is designed for multiple cleaning cycles, offering an economical and environmentally conscious choice.
  • Reliable Seal: An integrated urethane bump seal ensures a tight, leak-free connection throughout the filter's operational life.
  • Extended Service Life: The high dust-holding capacity of the pleated media reduces maintenance frequency.

Vehicle Fitment:

This aFe MagnumFLOW air filter is specifically designed for the following Subaru models:

  • Subaru Impreza WRX STI: 2008-2011 (H4-2.5L Turbocharged engines)
  • Subaru Forester: 2008-2011
  • Subaru Legacy: 2005-2011
  • Subaru Outback: 2005-2011
  • Subaru Tribeca: 2006-2014
  • Subaru B9 Tribeca: 2006-2007

Upgrade your Subaru's air intake system with this high-performance filter from aFe, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2007 Subaru B9 Tribeca Base
2006-2007 Subaru B9 Tribeca Limited
2016-2017 Subaru Crosstrek Base
2016-2017 Subaru Crosstrek Limited
2016-2017 Subaru Crosstrek Premium
2008 Subaru Forester X L.L. Bean Edition
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2009-2013 Subaru Forester X Limited
2009-2013 Subaru Forester X Premium
2009-2013 Subaru Forester X
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester X Touring
2011-2013 Subaru Forester XT Touring
2014-2018 Subaru Forester 2.0XT Premium
2014-2018 Subaru Forester 2.0XT Touring
2014-2018 Subaru Forester 2.5i
2014-2018 Subaru Forester 2.5i Limited
2014-2018 Subaru Forester 2.5i Premium
2014-2018 Subaru Forester 2.5i Touring
2008-2011 Subaru Impreza 2.5i
2008-2011 Subaru Impreza Outback Sport
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
2010-2011 Subaru Impreza 2.5i Premium
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2012-2016 Subaru Impreza Sport Limited
2012-2016 Subaru Impreza Sport Premium
2012-2018 Subaru Impreza Base
2012-2018 Subaru Impreza Limited
2012-2018 Subaru Impreza Premium
2017-2018 Subaru Impreza Sport
2005 Subaru Legacy GT Limited
2005 Subaru Legacy i
2005 Subaru Legacy Limited
2005-2006 Subaru Legacy GT
2006-2009 Subaru Legacy GT spec.B
2006-2019 Subaru Legacy 2.5i
2007-2009 Subaru Legacy 2.5i Special Edition
2007-2009 Subaru Legacy GT Limited
2007-2019 Subaru Legacy 2.5i Limited
2008-2009 Subaru Legacy 3.0 R Limited
2009 Subaru Legacy 3.0 R
2010-2012 Subaru Legacy 2.5GT
2010-2012 Subaru Legacy 3.6R Premium
2010-2013 Subaru Legacy 3.6R
2010-2019 Subaru Legacy 2.5i Premium
2010-2019 Subaru Legacy 3.6R Limited
2014 Subaru Legacy 2.5i Sport
2017-2019 Subaru Legacy 2.5i Sport
2005 Subaru Outback VDC Limited
2005 Subaru Outback i
2005 Subaru Outback Limited
2005-2006 Subaru Outback XT
2005-2006 Subaru Outback R
2005-2008 Subaru Outback R L.L. Bean Edition

…and 30 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About aFe

aFe Power is the racing-bred air, exhaust, and intercooler brand. From Magnum FORCE intakes to ATLAS exhausts and BladeRunner intercoolers, every aFe product is dyno-tuned for measurable HP and torque gains on Ford, GM, Ram, and import platforms.

Watch in action

aFe MagnumFLOW OER P5R Air Filter for Subaru Impreza WRX STI (2008-2011)

Maximize the performance of your Subaru Impreza WRX STI with the aFe MagnumFLOW OER P5R Air Filter. This premium, oiled OE replacement filter is engineered for high-flow efficiency, delivering increased horsepower and torque compared to standard filters. It features five layers of progressively finer mesh cotton gauze media, ensuring optimal airflow while effectively capturing dirt and debris. The filter's design includes tall, evenly spaced pleats that provide a large surface area, enhancing dust-holding capacity and extending the time between necessary cleanings.

Key Features and Benefits:

  • Enhanced Airflow: Five layers of cotton gauze media maximize air intake for improved engine response.
  • Performance Boost: Experience gains in horsepower and torque for a more exhilarating driving experience.
  • Durable Construction: Built with a 100-percent polyurethane boxed frame for a secure fit and long-lasting durability.
  • Washable & Reusable: This filter is designed for multiple cleaning cycles, offering an economical and environmentally conscious choice.
  • Reliable Seal: An integrated urethane bump seal ensures a tight, leak-free connection throughout the filter's operational life.
  • Extended Service Life: The high dust-holding capacity of the pleated media reduces maintenance frequency.

Vehicle Fitment:

This aFe MagnumFLOW air filter is specifically designed for the following Subaru models:

  • Subaru Impreza WRX STI: 2008-2011 (H4-2.5L Turbocharged engines)
  • Subaru Forester: 2008-2011
  • Subaru Legacy: 2005-2011
  • Subaru Outback: 2005-2011
  • Subaru Tribeca: 2006-2014
  • Subaru B9 Tribeca: 2006-2007

Upgrade your Subaru's air intake system with this high-performance filter from aFe, available now at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2006-2007 Subaru B9 Tribeca Base
2006-2007 Subaru B9 Tribeca Limited
2016-2017 Subaru Crosstrek Base
2016-2017 Subaru Crosstrek Limited
2016-2017 Subaru Crosstrek Premium
2008 Subaru Forester X L.L. Bean Edition
2009 Subaru Forester XT
2009-2010 Subaru Forester XT Limited
2009-2013 Subaru Forester X Limited
2009-2013 Subaru Forester X Premium
2009-2013 Subaru Forester X
2010-2013 Subaru Forester XT Premium
2011-2013 Subaru Forester X Touring
2011-2013 Subaru Forester XT Touring
2014-2018 Subaru Forester 2.0XT Premium
2014-2018 Subaru Forester 2.0XT Touring
2014-2018 Subaru Forester 2.5i
2014-2018 Subaru Forester 2.5i Limited
2014-2018 Subaru Forester 2.5i Premium
2014-2018 Subaru Forester 2.5i Touring
2008-2011 Subaru Impreza 2.5i
2008-2011 Subaru Impreza Outback Sport
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
2010-2011 Subaru Impreza 2.5i Premium
2010-2014 Subaru Impreza WRX Limited
2011-2014 Subaru Impreza WRX STI Limited
2012-2016 Subaru Impreza Sport Limited
2012-2016 Subaru Impreza Sport Premium
2012-2018 Subaru Impreza Base
2012-2018 Subaru Impreza Limited
2012-2018 Subaru Impreza Premium
2017-2018 Subaru Impreza Sport
2005 Subaru Legacy GT Limited
2005 Subaru Legacy i
2005 Subaru Legacy Limited
2005-2006 Subaru Legacy GT
2006-2009 Subaru Legacy GT spec.B
2006-2019 Subaru Legacy 2.5i
2007-2009 Subaru Legacy 2.5i Special Edition
2007-2009 Subaru Legacy GT Limited
2007-2019 Subaru Legacy 2.5i Limited
2008-2009 Subaru Legacy 3.0 R Limited
2009 Subaru Legacy 3.0 R
2010-2012 Subaru Legacy 2.5GT
2010-2012 Subaru Legacy 3.6R Premium
2010-2013 Subaru Legacy 3.6R
2010-2019 Subaru Legacy 2.5i Premium
2010-2019 Subaru Legacy 3.6R Limited
2014 Subaru Legacy 2.5i Sport
2017-2019 Subaru Legacy 2.5i Sport
2005 Subaru Outback VDC Limited
2005 Subaru Outback i
2005 Subaru Outback Limited
2005-2006 Subaru Outback XT
2005-2006 Subaru Outback R
2005-2008 Subaru Outback R L.L. Bean Edition

…and 30 additional fitments. Contact us to confirm yours.

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