K&N 04-07 Subaru STi K&N Drop In Air Filter

SKU: 33-2075 | UPC: 024844030894

K&N 33-2075 Drop In Air Filter 2004-2007 Subaru Impreza WRX STI Forester Baja

K&N 33-2075 is a washable reusable high-flow drop-in replacement air filter for 2004-2007 Subaru Impreza WRX STI plus select Forester Baja Impreza Outback models. Layered oiled cotton media improves airflow captures contaminants and delivers horsepower gains. Engineered to last your vehicle’s life with easy factory air box installation and No-Hassle Lifetime Limited Warranty.

Key Features

• 4 Layers of Protection: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent create an intricate mesh to block and trap harmful contaminants
• Clean Once Every 5 Years: Needs cleaning every 75000 miles under normal highway driving conditions (5 years at 15000 miles per year average)
• Easy Installation: Pre-oiled ready to drop into factory air box for quick performance gains with minimal cost
• Engineered Power: State-of-the-art air filter media increases horsepower acceleration and overall engine performance
• Reusable Saves Money: Washable design saves up to $125 versus multiple disposable filters over 200000 miles of highway driving (MSRP comparison)

Product Notes

• Pre-oiled for immediate use no additional preparation needed
• Clean with K&N cleaning kit every 75000 miles for longevity
• Packaged in compact protective box for safe shipping

Installation Notes

• Professional installation recommended.
• Direct drop-in fits factory air box no cutting or modifications
• Uses existing air box hardware and mounting points

This Part Fits

Year	Make	Model	Submodel
2004-2007	Subaru	Impreza	WRX STI
2004-2005	Subaru	Impreza	WRX
1999	Subaru	Impreza	RS
2004-2006	Subaru	Baja	Turbo
2003-2008	Subaru	Forester	X
2003-2005	Subaru	Forester	XS
2005	Subaru	Forester	XS L.L. Bean Edition
2005	Subaru	Forester	XT Premium
2006-2008	Subaru	Forester	XT Limited
2006-2008	Subaru	Forester	X L.L. Bean Edition
2008	Subaru	Forester	Sports 2.5 X
2008	Subaru	Forester	Sports 2.5 XT
2004	Subaru	Outback	H6 VDC

Why Choose K&N?

• Over 60 years as performance filtration leader
• High-flow media with exceptional engine protection
• Precision design for perfect OEM fit and power gains

Frequently Asked Questions

• Q: Will this fit my 2006 Subaru STI?
  A: Yes K&N 33-2075 fits 2004-2007 Subaru Impreza WRX STI direct drop-in replacement
• Q: What filter media is used?
  A: Four layers of premium oiled cotton gauze for high airflow and contaminant capture
• Q: What warranty coverage?
  A: No-Hassle Lifetime Limited Warranty covers the filter for your vehicle lifespan limitations apply

Shipping &amp. Handling

• Method: UPS Ground USPS Priority
• Availability: In stock – ships same or next business day
• Packaging: Protective box 9.19 x 7.48 x 1.75 inches
• Weight: 0.95 lbs