Amazon.com: AC PERFORMANCE OD 3 inch (76mm) 90 degree Carbon Fiber Elbow, 3" Outer diameter, Leg Length 6 inch (150mm), 1.3mm Thickness, 3K Twill Real Carbon Fiber Bent Intake Tube (no Logo) :
CARBON FIBRE TUBE 8mm,12.5mm,18mm.25mm,30mm,40mm,50mm OD | eBay
Roll Wrapped Carbon Fiber Tube Twill Weave Gloss Finish – 48″ long - Composite Envisions
Carbon Fiber Tubes | DragonPlate
Carbon Fiber TUBE 7mm x 5mm x 1000mm - WIND CATCHER RC
Carbon Fiber Tubes | DragonPlate
Amazon.com: 2mm Thickness Carbon Fiber Tube 10mmx6mmx420mm,12/16/22/25mm Available 3K Roll Wrapped Twill Matte Surface (2 pcs) : Industrial & Scientific