Injen SP Cold Air Intake System | 2017-2020 Honda Civic Si 1.5L Turbo

Wake up your 10th-gen Civic Si with the Injen SP Series Cold Air Intake — the perfect upgrade for more power, sharper throttle response, and that addictive turbo sound every enthusiast craves.
This premium cold air intake system draws in cooler, denser air from outside the engine bay, helping your 1.5L turbo breathe freely for serious performance gains. Dyno-proven to deliver up to 29 horsepower and 25 lb-ft of torque, it transforms your Si into a much stronger and more responsive machine.
Built with high-quality mandrel-bent 6061-T6 aluminum tubing, a large high-flow air filter, and precision TIG-welded brackets for a perfect fit and long-lasting durability.
Why This Injen Intake Dominates:
Dyno-proven gains of up to 29 HP & 25 lb-ft torque
Aggressive intake tone and improved turbo spool sound
Reusable high-flow Injen air filter
Lightweight mandrel-bent aluminum construction
Direct bolt-on installation — no cutting or modifications needed
CARB EO pending / emissions legal in most states
Fits all 2017-2020 Honda Civic Si 1.5L Turbo models (does not fit Canadian models).
Fast local pickup available or shipping nationwide with quick processing. These popular intakes sell fast — grab yours now and unleash the full potential of your Civic Si!
Ready to take your build to the next level? Add to cart today! 🔥