K&N Engineering 69-8009TWR Cold Air Intake System for 2018-2021 Subaru WRX STI

Gain a guaranteed increase in horsepower and torque with a K&N cold air intake system featuring a mandrel-bent aluminum intake tube. Each system is paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield or air box helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 90 minutes. Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California. See the product specifications for CARB status on each part for a specific vehicle. 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.

• K&N Million Mile Limited Warranty
• Will not void vehicle warranty.

Enhance your Subaru WRX STI’s performance with the K&N Engineering 69-8009TWR cold air intake system, designed to deliver a guaranteed increase in horsepower and torque. This system features a mandrel-bent aluminum intake tube that ensures smooth airflow for optimal engine breathing and improved throttle response. The oversized, conical high-flow air filter uses oiled cotton media, allowing for up to 100,000 miles of service under normal highway driving conditions, reducing maintenance time and costs. The washable filter can be reused indefinitely, providing long-term performance benefits and environmental advantages.
The intake system includes a custom heat shield or air box that helps protect the intake air from high engine bay temperatures, ensuring cooler, denser air reaches your engine for better combustion. Its design allows for straightforward installation, typically completed in less than 90 minutes, making it a suitable upgrade for DIY enthusiasts and professional mechanics alike.
Please note that some intakes are not legal for sale or use on pollution-controlled vehicles in California. Check the product specifications for CARB status to ensure compliance with local regulations. Backed by K&N’s No-Hassle Lifetime Limited Warranty, this intake system guarantees durability and performance, providing peace of mind for your vehicle upgrade. The system is compatible with 2018-2021 Subaru WRX STI models and is intended for those seeking reliable horsepower gains and improved engine efficiency.
Designed for automotive use, this product is not CARB-approved but offers a significant performance upgrade, supported by K&N's reputation for quality and innovation in the aftermarket industry.

Features:

• Mandrel-bent aluminum intake tube for smooth airflow

• High-flow, reusable cotton filter with oiled media for up to 100,000 miles of service

• Custom heat shield or air box to protect intake air from high engine bay temperatures

• Easy installation, typically in less than 90 minutes

• Guaranteed horsepower and torque increase with K&N's performance engineering

• Backed by the K&N No-Hassle Lifetime Limited Warranty

• Designed for 2018-2021 Subaru WRX STI models

• Proprietary design to improve throttle response and engine efficiency

Fitment:
2018 Subaru WRX STI Base
2018 Subaru WRX STI Limited
2018 Subaru WRX STI Type RA
2019 Subaru WRX STI Base
2019 Subaru WRX STI Limited
2019 Subaru WRX STI S209
2020 Subaru WRX STI Base
2020 Subaru WRX STI Limited
2021 Subaru WRX STI Base
2021 Subaru WRX STI Limited

Air Freight Prohibited: false
Not Carb Approved: true
Carb Acknowledgement Required: true
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1