H&R 06-11 Honda Civic Si Sedan Sport Spring Suspension>Leveling Kits Will not work with dual-mass

Will not work with dual-mass flywheel

Utilizing a factory style flange and hanger this system mounts directly to factory mounting locations for a hassle-free installation

3L MZR turbo also has a unique issue with blow-by as It's equipped with a top-mounted intercooler which is prone to heat soak effectively baking in all of the oil and fuel droplets into the heat exchanger

The steel wire reinforced silicone intake arm improves airflow and keeps intake air temperatures under control as opposed to an aluminum design

and included hardware

H&R 06-11 Honda Civic Si Sedan Sport Spring Suspension>Leveling Kits Will not work with dual-massSport Spring kits are H&R's number one selling product. Enhance the look of your vehicle with a reduced fender well gap. H&R'sport Springs lower the vehicle's center of gravity and reduce body roll for better handling. The progressive spring rate design provides superb ride quality and comfort. A lower wind resistance signature will make the vehicle more streamlined and improve gas mileage. If you are only looking to improve one part of your vehicle's