K&N 9th Gen Honda Civic Si Intake Rotors Spring rates: Front: 12 kg/mm

Spring rates: Front: 12 kg/mm / Rear: 12 kg/mm

matched to a performance pressure plate

WARNING: This hose is NOT compatible with fuel or oil

and high-torque capacity

K&N 9th Gen Honda Civic Si Intake Rotors Spring rates: Front: 12 kg/mmFITS: 9th Gen Honda Civic Si PER STATE LAWS, WE DO NOT SHIP THIS PRODUCT TO CALIFORNIA AND NEW YORK. The K&N 69 1019TS Typhoon air intake system is a free flowing, mandrel bent aluminum tube air induction system designed to fit some Honda Civic SI models. The restrictive factory air filter and air intake housing are replaced by the K&N Typhoon air intake, which is designed to dramatically reduce air flow restriction as it smoothes and straightens air