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internal cross sectional area is increased by approximately 78 percent
Rear recommended tire: Michelin Pilot Sport II - 285/30-20
Wrinkle black powder coated finish
In order to achieve the gains in flow that set the Dinan intake system apart
Dinan High Flow Intake System - 2006-2010 BMW 550i Brake Kits internal cross sectional area is'Dinan's high flow intake system for the 550i dramatically increases intake air flow volume and velocity as well as ensuring the lowest possible intake air temperatures for maximum power gains, as well as improved throttle response. The system takes full advantage of the ram air effect by adding a second air inlet in conjunction with the stock configuration, force feeding more cool, oxygen rich air to the enhanced air box. The system includes a