Cold Air Intake for Honda Civic EX LX DX (2012-2015) 1.8L Engine - Matte Black

Stop letting that restrictive, heat-soaked factory air box stifle your Civic’s potential; it’s time to give your R18 the airflow it needs for crisper throttle response and a much-needed aggressive induction note.

Performance Cold Air Intake Upgrade for Honda Civic (FB2/FG3) 1.8L R18

If you’re driving a 9th Gen Civic with the 1.8L R18, you know it’s a bulletproof commuter, but the factory intake system is designed for silence above all else. The stock plastic housing and baffled tubing create a turbulent path for air, which kills throttle response—especially in the low to mid-range RPMs where you need it most. This performance intake kit replaces that bottleneck with polished T-304 lightweight aluminum piping, providing a smooth, high-velocity path directly to the manifold.

The R18 engine family is known for its efficiency, but it truly wakes up once you swap the restrictive paper filter for a high-flow conical setup. By drawing in cooler, denser air, this kit increases oxygen volume for combustion, resulting in a dyno-proven increase of 7-10% in horsepower and 6-8% in torque. Whether you’re rowing through the gears in a manual or letting the automatic do the work, you’ll notice a "heavier" pull and a deep, sporty growl that finally makes the car feel like a Honda should. This kit is a direct bolt-on for EX, LX, and DX trims, though it is not compatible with the GX CNG models.

Why You Need This Upgrade

• Enhanced Power Delivery: Experience a 7-10% boost in Horsepower and 6-8% more Torque for better highway merging and overtaking.
• R-Series Sound: Replaces the "vacuum cleaner" factory sound with an intense, deep induction roar under heavy throttle.
• Precision Construction: High-grade T-304 polished aluminum piping resists corrosion and manages heat better than factory rubber.
• Reusable Filtration: The included high-flow cone filter is fully washable and reusable, saving you money on every service interval.
• Fuel Efficiency: By allowing the engine to breathe with less effort, many owners report improved MPG under normal cruising conditions.

Installation Notes

This kit includes all necessary mounting accessories and is designed for a straightforward install with basic hand tools (screwdrivers and socket wrenches). No cutting or permanent modification is required. Important Mechanic's Tip: You must disconnect your battery terminal for a few seconds after installation. This resets the ECU's fuel trims, allowing the computer to "re-learn" the increased airflow for optimal performance gains.

Replaces These OEM Applications & Part Numbers

• 2012 Honda Civic 1.8L L4 (EX, LX, DX)
• 2013 Honda Civic 1.8L L4 (EX, LX, DX)
• 2014 Honda Civic 1.8L L4 (EX, LX, DX)
• 2015 Honda Civic 1.8L L4 (EX, LX, DX)
• *** WILL NOT FIT GX CNG Model ***
• (Fits Manual & Auto Transmission)

HS-HC1218, 17220-R1A-A01, 17225-R1A-A01, 17228-R1A-A01

Ditch the restrictive factory box and experience the improved acceleration and aggressive sound your 9th Gen Civic was built for.