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The 9th Gen Civic Si's OEM radiator hoses are made from EPDM rubber
Racing Air Intakes combines Super Power Flow (an open type filter) with aluminum pipe to improve air intake efficiency
Flex-Fuel systems utilize an ethanol content analyzer to determine the amount of ethanol in a fuel system and a converter to send this reading to the vehicle’s ECU to instantaneously adjust for varying fuel mixtures
+25 HP and 35 lb-ft torque
17-7 PH Stainless Steel actuator spring gives consistent pressure at high temperature
10th and 11th Gen Honda Civic 2.0L Silicone Intake Hose Upgrade Kit Springs The 9th Gen Civic Si'sFITS: 10th Gen Honda Civic 11th Gen Honda Civic INSTALLATION: PDF 2016 2021 Honda Civic 2. 0L Stage 1 Intake System Install Instructions Important Notes: NO ECU CALIBRATION REQUIRED Technical Notes: This kit replaces the corrugated factory inlet hose with our better looking, smoother flowing 4 ply silicone hose. The pleats found in the factory hose disrupts air flow, which limits power potential and throttle response. Kit Includes: (1) 4 Ply Silicone