K&N Cold Air Intake, High-flow Aluminum Tube | 18-21 Subaru WRX STI (69-8009TWR)
Overview
Upgrade your Subaru's airflow and performance with the K&N 69-8009TWR Typhoon Cold Air Intake System. Designed with a mandrel-bent aluminum intake tube and a washable, reusable high-flow air filter, this intake system is engineered to improve airflow to the engine while delivering increased horsepower, torque, and a more aggressive intake sound.
Finished with a distinctive wrinkle-red intake tube, the K&N Typhoon system adds both performance and visual appeal to your engine bay.
Key Features
High-flow cold air intake system
Mandrel-bent aluminum intake tube
Washable and reusable oiled-cotton air filter
Designed to increase airflow to the engine
Estimated gain of up to 25.2 horsepower
Estimated torque increase of 11.4 lb-ft
Wrinkle-red intake tube finish
Stainless-steel clamps included
Direct replacement for the factory intake tube and air filter
Designed for straightforward installation with basic hand tools
K&N No-Hassle Lifetime Limited Warranty
Product Details
The K&N 69-8009TWR Typhoon Cold Air Intake replaces the factory air filter and intake tube with a high-flow intake assembly designed to improve the engine's airflow potential. Its aluminum intake tube provides a smooth intake path, while the oversized reusable filter is designed to provide high airflow without sacrificing filtration.
K&N's testing estimates an increase of 25.2 horsepower at 5,999 RPM and 11.4 lb-ft of torque, giving your Subaru additional performance potential and a more responsive driving experience. Actual results can vary depending on vehicle condition, modifications, tuning, and operating conditions.
The reusable filter is designed for long-term use and requires cleaning at approximately 100,000-mile intervals under normal highway driving conditions, according to K&N.
Benefits
Increased airflow to the engine
Improved horsepower and torque potential
More responsive engine performance
Enhanced intake sound
Washable and reusable performance air filter
Durable aluminum intake construction
Distinctive wrinkle-red finish
Long-term reusable filter design
Straightforward installation
Specifications
Brand: K&N
Part Number: 69-8009TWR
Product Type: Cold Air Intake System
Series: 69 Series Typhoon
Intake Tube Material: Aluminum
Intake Tube Finish: Wrinkle Red
Air Filter: Reusable Oiled Cotton
Air Filter Color: Red
Clamps: 5 Stainless Steel Worm Gear Clamps
Couplers: 2
Estimated Horsepower Gain: 25.2 HP @ 5,999 RPM
Estimated Torque Gain: 11.4 lb-ft
Weight: 4 lb
Warranty: No-Hassle Lifetime Limited Warranty
Vehicle Fitment
Verify exact vehicle compatibility before ordering.
This K&N intake is designed for select 2018-2021 Subaru WRX and STI models equipped with the 2.5L H4 engine.
What's Included
K&N 69-8009TWR intake tube
Reusable high-flow air filter
Stainless-steel clamps
Silicone couplers
Mounting hardware
Why Buy From FMS Auto Performance?
At FMS Auto Performance, we specialize in performance parts for enthusiasts who want quality components that fit their build. We offer genuine products from trusted manufacturers like K&N, along with knowledgeable customer support to help you choose the right parts for your vehicle.
Whether you're upgrading a daily driver or building a performance-focused Subaru, we're here to help you get the right parts for the job.
Shipping Information
Fast Shipping Available
Secure Packaging
Tracking Included
Genuine K&N Performance Product
Expert Customer Support
California Sales Notice
⚠️ California Restricted Product
This product is not legal for sale or use in California on any pollution-controlled motor vehicle.
K&N specifically identifies the 69-8009TWR as California restricted. It should not be sold or used in California on pollution-controlled motor vehicles.
If you're located in California and need help finding a CARB-compliant intake, contact FMS Auto Performance and we'll help you find an appropriate alternative.
Disclaimer
Professional installation is recommended. Always verify vehicle compatibility before ordering. Performance gains are estimates and may vary based on vehicle condition, modifications, tuning, and operating conditions. Follow all manufacturer installation and maintenance instructions.

