S-Heads, Are all the front bumper skins for the UrS4 and UrS6 interchangeable? Cosmetically and structurally? Thanks. -manny 95.5 S6 Avant -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.323 / Virus Database: 267.7.9/23 - Release Date: 6/20/05