Unique One - Piece Sealed Housing The smooth one - piece sealed housing with auxiliary air scoop is used to eliminate the use of multiple - piece housings and ensure the coldest air intake charge available. A urethane plug is also included if you wish to completely seal the auxiliary air scoop. High Quality Tube 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. Large 3 - Layer Performance Air Filter This Momentum ST intake system was designed around the largest filter possible to allow maximum performance and filtration. This cone filter has a massive round flange and is 8 tall Pro DRY S filter media. 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 Hardware Premium stainless steel clamps and a silicone coupler at the throttle body is used for strength and durability whi le also providing the most secure installation available. Momentum ST intakes are designed with fewer parts for a quick and simple installation.