PRL Cobra Cold Air Intake System: Civic Si 17+ Street

FITS 2017+ HONDA CIVIC SI  FITS HONDA SENSING PACKAGE CANADIAN MODELS REQUIRE USDM WINDSHIELD WASHER RESERVOIR CONVERSION KIT NOT COMPATIBLE WITH FACTORY CVT COOLER (SPAIN, TURKEY, ETC) Please Read Before Ordering: NO TUNE REQUIRED FOR STREET MAF HOUSING RACE MAF-SPECIFIC TUNE REQUIRED FOR RACE MAF HOUSING HONDATA & KTUNER BOTH OFFER RACE MAF BASEMAP CALIBRATIONS TWO STEP PERFORMANCE "TSP" TUNE ALSO COMPATIBLE BY SELECTING "RACE MAF" OPTION   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 diameter