2017-2021 Honda Civic Si 1.5T Cobra Cold Air Intake System
Description Fits all 2017-2021 Civic Si 1.5TFits Honda Sensing PackageCanadian Models Require USDM Windshield Washer Reservoir Conversion Kit Kit Includes: Billet Aluminum MAF Housing (Anodized Black) PRL Motorsports High Flow Oiled Cone Air Filter (1) 4-Ply Upper Silicone Intake Hose (Race or Street) (1) 6-Ply Lower Silicone Intake Hose HDPE Rotomolded Lower Intake Tube (4) 304 Stainless Steel Worm Clamps Stainless Steel Mounting Brackets Stainless Steel Hardware Important Notes: NO CALIBRATION REQUIRED FOR STREET MAF HOUSING RACE MAF-SPECIFIC CALIBRATION IS REQUIRED FOR RACE MAF HOUSING RACE MAF BASEMAP CALIBRATIONS AVAILABLE IN BOTH HONDATA & KTUNER TWO STEP PERFORMANCE "TSP" & PHEARABLE CALIBRATIONS COMPATIBLE BY SELECTING "RACE MAF" OPTION NOT COMPATIBLE WITH FACTORY CVT COOLER (SPAIN, TURKEY, ETC) Technical Notes: There’s a reason our Cobra Cold Air Intake Systems is a constant topic of discussion and so highly regarded. Our CNC machined billet aluminum MAF Housing was designed to provide *factory-spec fuel trims (-4% of factory STFT & LTFT) for optimal drivability and performance. The Cobra CAI utilizes a 4" volume from the air filter into the MAF Housing and is available with two different MAF housing choices; a Street housing and a Race housing. Both housings utilizes the factory MAF sensor, but feature two different diameters and profiles. As mentioned above, the Street housing is designed to provide factory-spec fuel trims WITHOUT any tuning whatsoever. The Race housing allows a 50% larger volume of air in comparison to the Street housing, which is why a tune IS required. This larger volume of airflow reduces pumping loss and creates an unrestricted air path to feed the MAF housing with ambient temperature air. Performance Gains: 15 horsepower and 12 ft/lb torque gains in comparison to stock with Street MAF housing WITHOUT TUNE 20 horsepower and 15 ft/lb torque gains in comparison to stock with Race MAF housing WITH Race MAF basemap calibration on Hondata and/or KTuner Larger gains to be seen at higher power levels with custom tuning