Description
Enhance your Honda Civic Si’s performance with the Injen SP1581P Cold Air Intake System, designed specifically for 2017 to 2020 models. Crafted from durable 6061-T6 aluminum, the intake tube provides a smooth, unrestricted airflow path that maximizes horsepower and torque. This system features Injen’s patented MegaRam (MR) Technology, which optimizes air intake efficiency, and Air Fusion technology to fine-tune airflow and maintain a safe air-fuel ratio throughout the power band. The result is a noticeable increase in engine responsiveness, power output, and a throaty, aggressive exhaust tone that enthusiasts love. This intake system is engineered for easy installation with a 2-piece design that can quickly convert to a short ram system, offering flexibility for different driving preferences. The included fully serviceable SuperNano-Web dry air filter boasts increased surface area for superior filtration and higher airflow rates, ensuring your engine breathes cleanly under demanding conditions. Its polished finish lends a sleek aesthetic that complements the engine bay, and multiple finish options are available for a personalized look. Built in Pomona, California, this intake system is backed by Injen’s limited lifetime warranty, guaranteeing durability and performance for years to come. Please note this product is not CARB exempt and is intended for off-road use only, making it ideal for enthusiasts seeking to maximize performance without legal restrictions in California.
Features:
- 6061-T6 aluminum intake tube for durable, smooth airflow
- Patented MegaRam (MR) Technology for optimized tuning
- Innovative Air Fusion Technology maintains safe air-fuel ratios
- Includes fully serviceable SuperNano-Web dry air filter for increased airflow and filtration
- Aggressive engine tone under full throttle enhances driving experience
- 2-piece design allows easy conversion to short ram system
- Multiple finish options for customization
- Made in California, USA with high manufacturing standards
- No additional tuning required for installation
- Limited lifetime warranty from Injen
Fitment:
Honda Civic Si 2017
Honda Civic Si 2018
Honda Civic Si 2019
Honda Civic Si 2020
Honda Civic Type R 2017
Honda Civic Type R 2018

















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