Unique One-Piece High Quality Housing W/ Sight Window: A custom computer designed roto-molded housing eliminates the use of multiple components and ensures the coolest air intake charge available. A clear sight window allows for filter inspection without removal of the airbox. The roto-molded housing is made out of black cross-linked polyethylene. Reinforced Silicone Tube: This system uses a high performance reinforced silicone intake tube to achieve maximum power gains while maintaining a perfect fit. Large 5-Layer Performance Air Filter: This Momentum GT intake system was designed around the largest filter possible to allow maximum performance and filtration. This cone filter has a 3-1/2" round flange and is 7-1/2" tall with an inverted top. The Pro 5R performance air filter features 5-layers of progressive finer mesh cotton media providing maximum airflow and performance. Custom Multiport Fitting: This kit includes a custom multiport fitting for the vacuum lines connecting to the air intake pass in order to prevent the check engine light and make sure the vehicle runs perfectly. Mounts into the factory location: This air intake system is installed using only the factory mounting loc ation to guarantee a perfect fit and easy installation. Momentum GT Cold Air Intake System w/ Pro 5R Media FIAT 124 Spider 17-19 I4-1.4L (t) FIAT 124 Spider 17-18 I4-1.4L (t)