K&N Performance Air Intake System
2017–2019 Toyota GR Corolla L4 1.8L F/I
57-9041
Overview:
The K&N Performance Air Intake System for the 2017–2019 Toyota GR Corolla with the 1.8L inline-4 forced induction engine is a direct replacement upgrade designed to enhance your vehicle’s airflow and overall performance. This system combines a washable, reusable high-flow air filter with a precision-engineered intake tube to improve engine breathing without compromising reliability or fitment. Ideal for enthusiasts seeking a simple, cost-effective way to increase horsepower and torque while maintaining factory-level filtration and protection.
Engineered specifically for the Toyota GR Corolla, this intake system ensures a perfect fit and seamless integration with the factory air box. It is designed to deliver improved throttle response and engine efficiency, making it a practical upgrade for daily drivers and performance-minded owners alike.
Key Features:
This K&N 57-series OEM air box intake system offers a range of benefits tailored to your vehicle’s needs:
- Includes a high-flow, washable, and reusable oiled cotton air filter that replaces the factory filter directly
- CAD-designed intake tube optimized for maximum airflow and minimal restriction
- Maintains factory air box location and appearance for a clean, OEM look
- Filter service interval up to 50,000 miles under normal highway driving conditions
- Engineered for precise fitment specific to the 2017–2019 Toyota GR Corolla 1.8L F/I
- Simple installation requiring only standard hand tools, typically completed in under 90 minutes
- Durable construction designed to withstand daily driving and performance demands
- Backed by K&N’s industry-leading 10-Year/Million Mile Limited Warranty
- Legal for use in all 50 states, meeting emissions standards
Construction & Design:
The intake system features a high-quality oiled cotton gauze filter media that is both washable and reusable, providing excellent filtration while allowing increased airflow compared to stock paper filters. The intake tube is precision-engineered using computer-aided design (CAD) to optimize airflow dynamics and reduce turbulence, resulting in improved engine efficiency.
All components are manufactured to strict quality standards to ensure durability and long-term performance. The system’s design maintains the factory air box’s structural integrity and mounting points, ensuring a secure fit and preserving the vehicle’s original engine bay layout.
Performance & Sound
By increasing the volume and quality of air entering the engine, the K&N Performance Air Intake System helps improve horsepower and torque output. The enhanced airflow also contributes to better throttle response and smoother engine operation. While maintaining a mostly stock appearance, this intake system can produce a subtle, sporty induction sound that enhances the driving experience without excessive noise.
Installation & Fitment:
Installation is straightforward and designed for the enthusiast or professional with basic mechanical skills. The system installs using standard hand tools and requires no permanent modifications to the vehicle. It fits directly into the factory air box location, replacing the stock filter and intake tube with no cutting or drilling necessary. Most installations can be completed in less than 90 minutes.
What’s Included
- Washable, reusable oiled cotton high-flow air filter
- CAD-designed high airflow intake tube
- All necessary mounting hardware and clamps
- Installation instructions
Ideal For:
This K&N Performance Air Intake System is ideal for Toyota GR Corolla owners who want a reliable, easy-to-install upgrade that enhances engine performance and efficiency without sacrificing factory fitment or emissions compliance. It suits daily drivers, weekend enthusiasts, and those looking to improve throttle response and engine sound with a proven, durable solution.
Emissions Note
This intake system is legal for use in all 50 states and complies with emissions regulations, ensuring no issues with inspections or vehicle emissions testing.
