Walk into any automotive enthusiast forum and you'll find passionate debates about carbon fiber. But most of these discussions conflate two fundamentally different manufacturing processes — and the difference matters enormously.
The Manufacturing Difference
Wet carbon fiber involves manually applying resin to dry carbon fabric, laying it into a mold, and allowing it to cure at room temperature. It's the older and more accessible process, and the result is a component that genuinely uses carbon fiber but carries significantly more resin than dry carbon equivalents.
Dry carbon uses fabric that has been pre-impregnated with the precise amount of resin required, then cured in an autoclave under high pressure and temperature. The controlled environment eliminates voids and results in a component that is typically 20–40% lighter.
Weight: Where the Real Difference Lives
For a typical full-length hood, the difference between wet lay-up and pre-preg can be 3–5 kg. On a 1,500kg supercar, concentrated at the front, it has a meaningful effect on handling dynamics.
Appearance: Is There a Visual Difference?
Yes, though it requires a trained eye. Wet lay-up carbon can exhibit slight resin pooling. Pre-preg carbon has a more even, tighter weave and the lacquer surface sits more uniformly.
Cost Considerations
Pre-preg dry carbon components cost significantly more — typically 2–3x the price of equivalent wet lay-up parts.
Our Recommendation
For track use or weight-sensitive builds: specify dry carbon without hesitation. For road cars where visual impact is the primary goal: high-quality wet lay-up delivers an excellent result at a more accessible price point.