Description
Enhance your Honda Civic Si’s performance with the Injen Technology SP series cold air intake system, designed specifically for models from 2017 to 2020. Crafted with precision from high-quality 6061-T6 aluminum, the intake tube provides a smooth, unrestricted airflow path that maximizes engine breathing and power output. This system is engineered to deliver a significant horsepower increase of up to 29 HP and torque gains of 25 lb-ft, verified through dyno testing, making your driving experience more responsive and exhilarating. The intake features Injen’s patented MegaRam (MR) Technology, which optimizes air velocity and volume, improving overall engine efficiency. Additionally, the patented Air Fusion technology enhances tuning accuracy and maintains safe air-fuel ratios across the power band, ensuring reliable performance and longevity. The fully serviceable Injen SuperNano-Web dry air filter offers increased surface area for improved airflow and superior filtration, protecting your engine from dirt and debris. The 2-piece design allows easy conversion to a short ram system for added versatility, and the aggressive engine tone under full throttle provides an unmistakably sporty sound. Available in multiple finishes, this intake not only boosts power but also adds a sleek aesthetic to your engine bay. Backed by Injen’s limited lifetime warranty, the SP1581BLK is a reliable upgrade that combines innovative technology with durable construction, designed and manufactured in Pomona, California. Please note this product is not CARB exempt and is intended for off-road use only, excluding Canadian models due to larger windshield washer reservoirs.
Features:
- High-performance cold air intake system designed for 2017-2020 Honda Civic Si 1.5L
- Constructed from durable 6061-T6 aluminum for optimal airflow
- Includes fully serviceable Injen SuperNano-Web dry air filter for increased filtration and airflow
- s Injen’s patented MegaRam (MR) Technology for improved air velocity
- Incorporates patented Air Fusion Technology to maintain optimal air-fuel ratios
- Dyno-proven power gains of up to 29 horsepower and 25 lb-ft of torque
- Two-piece design allows easy conversion to short ram system
- Aggressive and sporty engine tone under full throttle
- Available in multiple finishes for a personalized look
- Backed by Injen’s limited lifetime warranty for peace of mind
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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