A custom CAD designed roto - molded housing made from heat soak resistant material eliminates the use of multiple components and ensures the coolest air intake charge available. A large clear sight window allows for filter inspection without removal of the airbox. The roto - molded housing is made out of black cross - linked polyethylene. A urethane plug is also included if you wish to completely seal the airbox. (US PAT 9440175) For Filter - to - Housing Interface. This system uses a high quality plastic CAD designed, dyno - tuned, roto - molded intake tube to achieve maximum power gains while maintaining a perfect fit. This Momentum GT intake system was designed around the largest filter possible to allow maximum performance and filtration. This cone filter has a large (7 x 4 - 34) oval flange and is 8 tall with an inverted top. The Pro DRY S performance air filter features 3 - layers of progressive finer porosity synthetic media providing maximum convenience with 100 polyurethane frame for long life and multiple cleaning cycles. Premium stainless steel clamps and a silicone coupling are used for strength and durability while also providing the most secure installation available. Momentum GT intakes are designed with fewer parts for a quick and simple installation.