C63 Polymer Carbon Fiber IntakeThe M177 Polymer Carbon Fiber High Flow Intake is a game changer for intake technology on the C63 and GLC63 platforms. Our tube design utilizes a fully flow optimized channel with optimal filter placement for direct cold air injection into the filter. Our oval design opening is equivalent to a 4. 5" circular diameter, which is the largest on the market. Constructed from a polyamide and carbon fiber blend to yield excellent thermal performance and