9th Gen Honda Civic Si(2012-2015)

At ACUITY Instruments we offer a dedicated collection of premium upgrades tailored for the 9th Generation Honda Civic (2012-2015). Whether you’re chasing better handling, sharper response, or track-ready durability, you’ll find parts designed specifically for your Civic’s performance envelope. Our lineup spans intake systems, fuel rails, cooling upgrades, shift components and more—all engineered with motorsport-grade materials and refined for street use. Each product is developed with precision and tested under real-world conditions so you can confidently enhance your car’s capabilities. Dive into the collection to equip your 9th Gen Civic with the high-quality components it deserves.