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SKU: 33-2232 | UPC: 024844092496
K&N 02-07 WRX/STi Drop In Air Filter 11in O/S Length / 6.563in O/S Width / 1.063in Height
The K&N 33-2232 replacement air filter delivers high-flow performance for 2002-2007 Subaru Impreza WRX and STi models plus dozens of other Subaru vehicles from 1986-2007. Its layered oiled cotton media improves airflow captures dirt and adds horsepower while lasting the life of your vehicle. Drop it into your stock airbox for immediate gains backed by K&N lifetime limited warranty.
Key Features
- 4 Layers of Protection: Multiple layers of premium cotton gauze with tacking agent form a mesh that blocks and traps contaminants for reliable engine defense
- Clean Every 5 Years: Service only every 75000 miles under normal highway driving or 5 years at 15000 miles per year
- Easy Installation: Pre-oiled and ready to drop into factory airbox for straightforward upgrade and fast performance improvements
- Engineered Power: Advanced filter media boosts horsepower acceleration and engine response
- Reusable Design: Washable filter cuts costs up to $125 over 200000 miles versus disposable OEM filters and reduces landfill waste
Product Notes
- Pre-oiled for immediate use no break-in required
- Wash with K&N cleaning kit and re-oil for maintenance
- Weight 9.6 ounces package dimensions 11.1 x 6.5 x 1.25 inches
Installation Notes
- Professional installation recommended.
- Removes in minutes with basic tools direct OEM replacement
- Compatible with factory airbox no modifications or hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2007 | Subaru | Impreza | WRX |
| 2004-2007 | Subaru | Impreza | WRX STI |
| 2005-2007 | Subaru | Impreza | WRX STI Limited |
| 2006-2007 | Subaru | Impreza | WRX Limited |
| 2005-2007 | Subaru | Impreza | Outback Sport |
| 2002-2003 | Subaru | Impreza | WRX |
| 2005 | Subaru | Impreza | RS |
| 1990-1994 | Subaru | Legacy | L |
| 1990-1994 | Subaru | Legacy | LSi |
| 1991-1994 | Subaru | Legacy | Sport |
| 1990-2004 | Subaru | Legacy | Base |
| 1995-1999 | Subaru | Legacy | Outback |
| 1998-2002 | Subaru | Legacy | GT |
| 1998-1999 | Subaru | Forester | Base |
| 1998-2002 | Subaru | Forester | L / S |
| 1993-1999 | Subaru | Impreza | L / Base / Brighton |
| 1990 | Subaru | Loyale | Turbo / RS Turbo |
| 1992-1997 | Subaru | SVX | L / LS / LSi / LSL |
| 2002-2003 | Subaru | Outback | H6 / L.L. Bean / VDC |
| 1999 | Subaru | Legacy | Outback Limited |
Why Choose K&N?
- Trusted by millions of drivers for proven filtration and power gains
- Built with durable materials to withstand decades of use
- Precision engineered for exact OEM fit and maximum airflow
Frequently Asked Questions
-
Q: Will this fit my 2004 Subaru Impreza WRX?
A: Yes the 33-2232 is a direct drop-in replacement for 2002-2007 Impreza WRX and STi models including 2004 with no modifications -
Q: What is the filter made of?
A: Four layers of oiled cotton gauze media provide high airflow and dirt-trapping efficiency washable for reuse -
Q: What warranty coverage applies?
A: No-hassle lifetime limited warranty covers the filter for as long as you own the vehicle certain limitations apply
Shipping &. Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Secure retail box 11.1 x 6.5 x 1.25 inches
- Weight: 9.6 ounces
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