This short version of the Stilo top air system fits the WRX, Venti WRC plus ST5 helmets where fresh air is required to the top of the helmet is required but not to the forehead. Thanks to the fixation system you can fit the top air system more than once by simply replacing the dedicated fixation tape.Fits Stilo WRX, Venti WRC and ST5 helmetsAllows cool air to be ducted to the top of the helmet keeping the driver coolEasy attachment via self adhesive strips which can also be replacedChoice of air intake connectionThe short top air system kit is available with a choice of 3 different intakes: Large oval (36 x 25mm), small round (20mm diameter) or modular. The modular kit is designed to work with a separately available air intake fitting which can be found here.