Injen SP1581 SP Cold Air Intake – 2017-2020 Honda Civic Si 1.5T

Wake up your 2017-2020 Honda Civic Si — a top first mod for the 10th-gen Si. Opens the restrictive factory airbox and feeds cool, dense air to the 1.5L turbo. Mandrel-bent 6061-T6 aluminum tube with patented MegaRam (MR) Technology and Air Fusion; converts to a short-ram setup for wet seasons.

Dyno-Proven Gains: Up to +29 HP / +25 lb-ft.

Highlights:

• Mandrel-bent 6061-T6 aluminum tube
• Patented MegaRam (MR) Technology + Air Fusion — no tune
• Converts to short-ram for rainy seasons
• Washable/reusable SuperNano-Web dry filter
• Injen Limited Lifetime Warranty

Fitment (Direct Fit):

• 2017-2020 Honda Civic Si L4-1.5L Turbo

⚠ NOT CARB-exempt. Cannot be sold or shipped to CA, CO, CT, DE, ME, MD, MA, MN, NY, NJ, OR, PA, RI, VT, WA. Not legal for use on pollution-controlled vehicles in these states.