The Seibon 17-22 Audi A4/S4 (B9) OEM-Style Carbon Fiber Hood features: 
 
Mounts with OE hardware; normal pre-paint prep is required, including sanding and primer, when painting any vehicle body component. Occasional surface blemishes may be present as a result of the manufacturing process. These blemishes may also be removed during the normal sanding and pre-paint preparation process.
 
Fiberglass 'skeleton' bonded to underside for strength and support (matte black enamel finish).