Click to zoom in
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 &. 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
Air Filters
Shop automotive air filters and performance intake filters at Black Ops Auto Works for direct-fit air filters, drop-in replacement filters, universal clamp-on filters, cabin air filters, engine breather filters, HVAC filters, pre-filters, velocity stacks and intake filter accessories for cars, trucks, SUVs, Jeeps, muscle cars, diesel trucks, import performance builds and custom intake setups. This Air Filters collection is built for enthusiasts who want cleaner airflow, better filtration, improved engine protection, reusable performance filter options, replacement intake filters and vehicle-specific air filter fitment. Browse air filters for Dodge Charger, Dodge Challenger, Dodge Durango, Jeep Grand Cherokee, Jeep Grand Cherokee Trackhawk, Ram TRX, Chevrolet Camaro, Chevrolet Corvette, Cadillac CT5, Ford Mustang, Ford F-150, Toyota Tacoma, Toyota Tundra, BMW, Honda, Infiniti, Nissan, Porsche and other performance platforms. Shop Automotive Air Filters by Category Find the right air ...
View Air Filters Products
Air Filters - Drop In
Shop drop-in air filters and replacement performance filters at Black Ops Auto Works for direct replacement panel filters, high-flow air filters, reusable air filters, DryFlow filters, oiled filters, foam panel filters, intake replacement filters and vehicle-specific air filter upgrades for cars, trucks, SUVs, Jeeps, diesel vehicles, imports, muscle cars and custom performance builds. This Drop-In Air Filters collection is built for enthusiasts who want a simple air-filter replacement without changing the entire intake system. Drop-in filters are designed to fit factory air boxes or compatible aftermarket intake boxes while supporting cleaner airflow, dependable filtration, easier service and performance-focused maintenance. Shop Drop-In Air Filters by Category Find the right air filter style using related Black Ops Auto Works categories. Shop automotive air filters, direct-fit air filters, universal fit air filters, air filter pre-filters, HVAC and cabin filters, air intake systems...
View Air Filters - Drop In Products
K&N Engineering
Shop K&N Engineering cold air intakes, reusable air filters, oil filters, cabin filters, fuel filters and performance filtration upgrades at Black Ops Auto Works for cars, trucks, SUVs, diesel builds, off-road vehicles, muscle cars, Jeeps, Mopar platforms and custom performance applications. K&N Engineering is one of the most recognized names in automotive filtration and airflow technology. This collection includes K&N cold air intake systems, high-flow replacement air filters, universal clamp-on air filters, drop-in filters, oil filters, cabin air filters, fuel filters, Dryflow filters, filter cleaning kits, intake adapters, air intake accessories and performance filtration parts for street, towing, off-road, diesel and high-performance builds. Shop K&N Engineering Products by Category Find the right K&N performance filtration upgrade using related Black Ops Auto Works categories. Shop cold air intakes, air intake systems, air intake components, automotive air f...
View K&N Engineering ProductsLet customers speak for us
Looks pretty nice
Looks pretty nice, pricing was good and the reinforcement is a big plus.
Randy H.
Black Ops Auto Works
I emailed customer service to inquire about when it would be shipped
I emailed customer service to inquire about when it would be shipped. They checked and emailed me with the answer. Customer service is A1
Ralph J.
Black Ops Auto Works
Installation was easy
Installation was easy. The price is good and it looks great on the truck.
Ralph J.
RHO Small Grille Badge
Looks as good as it fits
Looks as good as it fits,
zachary d.
Seibon 70-73 Datsun 240Z OE Carbon Fiber Hood
Nothing like it
I love it great sound and response
Luis P.
Legmaker Dodge Durango HEMI Short Ram CAI 2011-Present 5.7L
Car totally diferent with the whole kit
Car totally diferent with the whole kit. Ive stood next to wide bodies and my car gets more attention at times . Ive bought the kit twice already.
Ding D.
2015-2023 Dodge Charger Carbon Fiber Wind Splitters
Fantastic emblem! Exactly what I was looking for
Fantastic emblem! Exactly what I was looking for. Great quality emblem.
Jacobus S.
Direct Connection Black Metallic Fender Badge
Worked great for my aftermarket hood on my Chrysler 2023 300C
Worked great for my aftermarket hood on my Chrysler 2023 300C. Thanks
Robert G.
Windshield Washer Squirter Relocation Kit Universal
Easy to install and makes car sound even better
Easy to install and makes car sound even better love the winn
Tracy H.
Legmaker Challenger/Charger Hellcat Demon & Redeye Air Intake
Awesome customer support
Awesome customer support. Had multiple issues with fedex and these guys were excellent in helping me sort everything out. The drop springs are great too! I highly recommend
Anonymous
Swift Spec-R Lowering springs Jeep Grand Cherokee 2011-2021
100/100! perfect CF crafted cold air intake for 6
100/100! perfect CF crafted cold air intake for 6.4 jeep .. even makes my AWE exhaust sound even deeper and you cam here this thing sucking when accelerating even at normal speeds🥶
srt.boizzz
Legmaker 392 TH Short Ram Jeep Grand Cherokee SRT 2012-2021
