Should I apply clear coat to protect the carbon finish?

Yes. A UV-protective clear coat will preserve the weave pattern and prevent oxidation over time. Apply after the fenders are mounted and any edge work is complete. This is especially important if your vehicle spends significant time in direct sunlight.

Do I need to seal the edges where the fender meets the body?

Edge sealing is recommended to prevent moisture ingress at the bolt points and panel gaps. Use a flexible sealant or trim adhesive designed for automotive carbon fiber. This step is quick and extends the life of the installation.

Will the glossy weave pattern yellow without protection?

Real carbon fiber can show color shift under UV exposure if left unprotected. A quality clear coat acts as a UV barrier and keeps the weave vibrant. Reapply clear coat every 2–3 years if your car is regularly exposed to sun, or sooner in harsh climates.