Carbon Fiber - F22/F23/F30/F32/F33/F36/G01/G02/G05/G06/G07/G11/G12/G14/G15/G16/G30/G32. Turbo inlet pipes serve two very distinct, and differing, purposes. Regardless of application, a Dinan turbo inlet replaces the weak, and failure prone, plastic factory inlet with a more robust carbon fiber one.