K&N's mandrel-bent aluminum cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty.
Gain a guaranteed increase in horsepower and torque with K&N cold air intake system featuring madrel-bent aluminum intake tube. Each system is paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media.
- Guaranteed to increase horsepower and torque.
Application Summary:
| Year |
Make/Model |
| 2018-2021 |
Subaru WRX STI |
| Attributes |
| Air Box Included |
No |
| Air Filter Color |
Red |
| Air Filter Element Washable |
Yes |
| Air Filter Material |
Cotton Gauze |
| Air Filter Outlet Shape |
Round |
| Air Filter Washable |
Yes |
| Alternate Part Number |
69-8009TWR |
| California Proposition 65 |
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| California Restricted |
Not legal for sale or use in California |
| Clamp Color |
Natural |
| Clamp Color/Finish |
Natural |
| Clamp Material |
Stainless Steel |
| Clamp Quantity |
5 |
| Clamp Style |
Worm Gear |
| Clamps Included |
5 |
| Country of Origin (Primary) |
US |
| Coupler Color |
Black |
| Coupler Color/Finish |
Black |
| Couplers Included |
2 |
| Emission Code |
Not in CA |
| Estimated Horse Power Gain |
25.2 HP @ 5999 RPM |
| Estimated Horsepower Gain |
25.2 HP @ 5999 RPM |
| Estimated Torque Gain |
11 lbft |
| Filter Color |
Red |
| Filter Material |
Cotton Gauze |
| GTIN |
00024844368270 |
| Harmonized Tariff Code (Schedule B) |
8421310000 |
| Hazardous Material Code |
N |
| Horse Power Increase |
25 HP |
| Intake Pipe Color |
Wrinkle Red |
| Intake Pipe Color / Finish |
Wrinkle Red |
| Intake Pipe Material |
Aluminum |
| Intake Pipe Ports |
All intake tube ports needed for the specified applications are included |
| Item Weight |
4.000 lbs. (1.8 kg) |
| Life Cycle Status Code |
Available to Order |
| Mass Air Flow Sensor Adapter Included |
Yes |
| Mass Air Flow Sensor Included |
Mass Air Flow Sensor Adapter Included When Required |
| Mounting Hardware Included |
Yes |
| NAFTA Preference Criterion Code |
B |
| Oil Included |
Yes, Filter Is Pre-Oiled |
| Package Material |
Corrugated |
| Package Type |
Box |
| Product Style |
69 Series Typhoon Kits |
| RPM |
5999 |
| Replacement Filter |
RU-5163 |
| SDR Required Flag |
N |
| Street Legal |
No |
| Street Legal In All US States |
Not legal for sale or use in California on any pollution controlled motor vehicle. |
| System Type |
Cold-Air Intake System, Cold Air |
| TUV Approved (Europe) |
No |
| Warranty |
No-Hassle Lifetime Limited |
| Weight |
4 lb (1.8 kg) |
