Description
The Injen EVO1501 Evolution Cold Air Intake system is specifically designed to enhance performance for 2017 to 2020 Honda Civic Si models. Featuring a durable roto-molded polyethylene tube and housing, this system combines high-quality materials with innovative technology to optimize airflow and boost engine power. The included SuperNano-Web dry air filter, known for its fully serviceable design, ensures consistent filtration and easy maintenance, while the Twist-Lock System provides a secure fit and simplifies installation. This system is engineered to work with the vehicle’s stock calibration, making it a straightforward upgrade for enthusiasts seeking increased horsepower and torque without extensive modifications.
The EVO1501 is built with a focus on both performance and aesthetics. Its aggressive under-hood appearance is complemented by the red stripe on the clear inspection badge, allowing quick filter condition checks. Stainless steel band clamps with inner protective liners, reinforced automotive-grade silicone couplers, and a rugged roto-molded polyethylene tube contribute to a reliable and long-lasting assembly. The design also produces an aggressive intake growl during acceleration, enhancing the driving experience. Backed by Injen’s limited lifetime warranty and made in Pomona, California, this intake system offers both quality and peace of mind.
Performance gains are significant, with dyno testing revealing up to 22 horsepower and 18 lb-ft of torque increases. The system’s compatibility with the stock calibration means no additional tuning is necessary, making it ideal for DIY installation. Please note that this product is not CARB-exempt and is not legal for use in California or on California-registered vehicles. The system’s sleek design, combined with proven performance enhancements, makes the Injen Evolution Intake a top choice for Honda Civic Si owners looking to maximize their vehicle’s potential.
Features:
- SuperNano-Web dry air filter: Fully serviceable filter with easy inspection via clear badge
- Twist-Lock Technology: Securely attaches the filter to the housing for a tight seal
- Durable Roto-Molded Polyethylene Tube and Housing: Ensures longevity and resistance to heat
- Reinforced Automotive Grade Silicone Couplers: Provide a reliable, leak-free connection
- Aggressive Under-Hood Appearance: Enhanced visual appeal while maintaining OE fit
- Dyno Proven Performance Gains: Up to 22 horsepower and 18 lb-ft of torque
- Injen Inspection Badge: Allows quick filter condition checks with added style
- Stainless Steel Band Clamps: Equipped with inner protective liners for durability
- Made in USA: Crafted in Pomona, California for quality assurance
- Easy Installation: Designed for straightforward setup with fewer parts and tools
Fitment:
Honda Civic Si 2017
Honda Civic Si 2018
Honda Civic Si 2019
Honda Civic Si 2020



















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