I'm sorry to burst your bubble but actual Transformer editions were only made in 2010 and 2012, not 2011. Looks like the previous owner bought 2SS headrests (cause they're leather and your seats are cloth) from GM parts with a transformer vin #. Also the door sills and center console.
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'24 CT5 Blkwng CF1&2 6spd manual Coastal Blue
SOLD!'23 CT5Blkwng manual Rift Metallic
SOLD!'19 Z06-7Speed and lowered on stock bolts
SOLD'02 Z28-Kooks true dual headers/TSP heads&cam/full suspension & Kmember sub40K orig miles.
https://youtu.be/h6faSdcvNew
TRADED!'17 ATS-V Coupe w/ Carbon Black pkg
https://youtu.be/GH_t-R-TJV0
SOLD! '18 ZL1 Mosiac Blk
SOLD!'16 SS Sedan-Forgestars/ARH/rotofab
TRADED!2014 SS Sedan
SOLD! 2013 Blue Ray1SS/1LE 1of20.
TRADED! 2012 White 1SS/RS