The smooth one-piece high quality sealed housing with auxiliary air inlet is used to eliminate the use of multiple-piece housings and ensure the coolest air intake charge available. A large, clear sight window is used for a hassle-free filter inspection and an aggressive style. Unique Filter-to-Housing Interface.(US PAT 9440175). This Momentum GT intake system offers carbon fiber trim on housing to give that motorsport appearance. This cover overlay is constructed of lightweight high gloss, clear-coated 2 x 2 twill-weave carbon fiber. This system uses a high quality, dyno-tuned intake tube to achieve maximum power gains while maintaining a perfect fit. The Momentum GT intake is designed around an oil-free, large 7-1/2" tall inverted top 360 degree radial flow performance air filter with 3-layers of progressive finer porosity synthetic media providing maximum convenience. The unique air filter to housing interface (patent pending) allows for maximum filter size which increases the available air volume while simplifying the installation process. Premium stainless steel clamp is used for strength while also providing the most secure installation available. Momentum intakes are designed with fewer parts for a quick and simple installation. Momentum GT Cold Air Intake System w/ Pro DRY S Filter BMW M2 (F87) 16-18 L6-3.0L (t) N55 BMW M2 (F87) 16-18 L6-3.0L (t) N55