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Subaru WRX · 1992–2025

Subaru WRX Air Filter

Green Filter makes a washable, reusable WRX air filter engineered as a high-flow performance engine air filter for Subaru WRX and WRX STI models. Find the right fit by year, engine, and part number - clean it, re-oil it, and reuse it instead of buying a new paper filter.

5
filters
22
fitments
34
model years

Find your filter

Choose a year to see the matching filter.

High performance filters for the WRX

Every high-flow Green Filter listed for the WRX, newest models first.

High performance filter

#2421

Fits

  • WRX2007–20212.0L H4, 2.5L H4
  • WRX STI2007–20182.0L H4, 2.5L H4
  • Impreza / WRX / WRX STI / Legacy2007–20171.5L-1.6L H4, 2.0L-2.5L H4
View details

High performance filter

#2019

Fits

  • WRX2000–20082.0L H4, 2.5L H4
  • WRX STI2001–20082.0L H4, 2.5L H4
  • Impreza / WRX / WRX STI / Legacy1992–20071.6L-1.8L H4, 2.0L H4, 2.5L H4
View details

High performance filter

#7217

Fits

  • WRX2000–20052.0L H4, 2.2L H4
  • WRX STI2003–20052.0L H4
View details

Keep your filter clean

Green Filters are washable and reusable. Clean and re-oil yours with these to keep it flowing like new.

Complete WRX fitment chart

Every year and engine we have a filter for, exactly as listed in our catalog.

YearsModelEngineFuel systemPart
1992–2000Impreza / WRX / WRX STI / Legacy1.6L-1.8L H4Fuel injected#2019
1994–2005Impreza / WRX / WRX STI / Legacy2.0L H4Fuel injected#2019
2000–2005WRX2.0L H4Fuel injected#7217
2000–2008WRX2.0L H4Fuel injected#2019
2001WRX2.2L H4Fuel injected#7217
2001–2008WRX STI2.0L H4Fuel injected#2019
2003–2005WRX STI2.0L H4Fuel injected#7217
2004–2007WRX STI2.5L H4Fuel injected#2019
2005–2007Impreza / WRX / WRX STI / Legacy2.5L H4Fuel injected#2019
2006–2007WRX2.5L H4Fuel injected#2019
2007–2009WRX2.0L H4Fuel injected#2421
2007–2009WRX STI2.0L H4Fuel injected#2421
2007–2016Impreza / WRX / WRX STI / Legacy1.5L-1.6L H4Fuel injected#2421
2007–2017Impreza / WRX / WRX STI / Legacy2.0L-2.5L H4Fuel injected#2421
2008–2014WRX2.5L H4Fuel injected#2421
2008–2016WRX STI2.5L H4Fuel injected#2421
2012–2016WRX2.5L H4Fuel injected#2421
2012–2018WRX STI2.5L H4Fuel injected#2421
2015–2021WRX2.0L H4Fuel injected#2421
2019–2021WRX STI2.5L H4Fuel injected#7256
2022WRX2.5L H4Fuel injected#7374
2022–2025WRX2.4L H4Fuel injected#7374
1992–2000#2019
Impreza / WRX / WRX STI / Legacy · 1.6L-1.8L H4 · Fuel injected
1994–2005#2019
Impreza / WRX / WRX STI / Legacy · 2.0L H4 · Fuel injected
2000–2005#7217
WRX · 2.0L H4 · Fuel injected
2000–2008#2019
WRX · 2.0L H4 · Fuel injected
2001#7217
WRX · 2.2L H4 · Fuel injected
2001–2008#2019
WRX STI · 2.0L H4 · Fuel injected
2003–2005#7217
WRX STI · 2.0L H4 · Fuel injected
2004–2007#2019
WRX STI · 2.5L H4 · Fuel injected
2005–2007#2019
Impreza / WRX / WRX STI / Legacy · 2.5L H4 · Fuel injected
2006–2007#2019
WRX · 2.5L H4 · Fuel injected
2007–2009#2421
WRX · 2.0L H4 · Fuel injected
2007–2009#2421
WRX STI · 2.0L H4 · Fuel injected
2007–2016#2421
Impreza / WRX / WRX STI / Legacy · 1.5L-1.6L H4 · Fuel injected
2007–2017#2421
Impreza / WRX / WRX STI / Legacy · 2.0L-2.5L H4 · Fuel injected
2008–2014#2421
WRX · 2.5L H4 · Fuel injected
2008–2016#2421
WRX STI · 2.5L H4 · Fuel injected
2012–2016#2421
WRX · 2.5L H4 · Fuel injected
2012–2018#2421
WRX STI · 2.5L H4 · Fuel injected
2015–2021#2421
WRX · 2.0L H4 · Fuel injected
2019–2021#7256
WRX STI · 2.5L H4 · Fuel injected
2022#7374
WRX · 2.5L H4 · Fuel injected
2022–2025#7374
WRX · 2.4L H4 · Fuel injected

  • High-flow performance

    Designed for high airflow, so your WRX's engine can breathe freely.

  • Made in the USA

    Built and inspected in the USA, from the filter media to the final check.

  • Washable & reusable

    Clean it, re-oil it and reuse it instead of buying a new paper filter.

  • Lifetime warranty

    Backed by our lifetime warranty.

Don't see your WRX?

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