Porsche 997 Turbo Carbon Fiber Cold Air IntakeMDI Carbon Fiber Cold Air Intake for Porsche Porsche, 997, Cold Air Intake. All our carbon fiber Cold Air Intake are made with an Autoclave process, which uses the highest quality TORAYCA PREPREG carbon fiber fabric from Japan. More information on the manufacturers specifications: Finishes and Materials! Cures at 400 degrees and a pressure of 5Kg cm. One of the most advanced techniques for making composite components is by using PrePreg carbon fiber