Dont know how to post the link...
They are on rockauto.com for $142 each side.
VARIOUS MFR Part # FO1320402
BASE|GT|GT500; Includes Textured & Paint to Match Covers; LH (Only 2 Remaining)$142.79
Grabber Blue 2011 V6 Premium A6 Coupe Mods: MPT 93 Tune, FRPP 3.73 Gears, BBK Longtube Headers w/ O/R Xpipe, Steeda CAI, Dynomax 2.5" Ultra Flo Catback, Boss302 STB, J&M LCA, Whiteline Relocation Brackets, Eibach Sportlines, 18x9/10 '10 GT500 rims 255/45, 285/40/18 Nitto555 Next: BBK 73mm TB, Ported Intake Manifold, DSS Al Driveshaft, . Styling: 15% Tint, Black Spoiler, Decklid Panel, & Grille Surround. Chin Spoiler, Hood Spears
Best to Date - 13.212 @ 105.79 - Uncorrected