PRL Cobra Cold Air Intake 1.5T Si

Fits all 2017-2021 Civic Si 1.5TFits Honda Sensing PackageCanadian Models Require USDM Windshield Washer Reservoir Conversion Kit Overview SI STREET INSTALL GUIDE | SI RACE INSTALL GUIDE 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