Chillout Systems 4" Carbon Fiber NACA Duct (Dual) 981 Boxster Spyder Pre-curved fingers support a natural

Pre-curved fingers support a natural driving position

Breathable inserts on the hips and under the sleeves help moisture escape and improve airflow

Schuberth helmet speaker kits feature speakers built directly into Schuberth Noise Reduction Earcups and a boom-style noise canceling microphone

These precision-machined components bolt directly to your existing Girodisc aluminum hats using the supplied floating hardware kit

on the other hand

Chillout Systems 4" Carbon Fiber NACA Duct (Dual) 981 Boxster Spyder Pre-curved fingers support a naturalChillout Systems 4" Carbon Fiber Dual NACA Duct The Chillout Systems 4" Dual NACA Duct is extremely lightweight and wind tunnel tested, providing over 55% more airflow than standard 3" NACA ducts. Chillout Systems 4" Carbon Fiber NACA Duct (Dual) Details Manufacturer: Chillout Systems Manufacturer Part Number: CO NP 42 Material: Carbon Fiber Hose Outlet Diameter: 3" Color: Black