Used (status unknown) MAF sensor. Removed from 01-04 LS1/LS6 Corvette. This is a unit sitting on the shelf, not marked if it's good or bad. This is a 5-wire sensor, and this has a different diameter inlet vs outlet. Fits the following:
01-04 LS1/LS6 Corvette
05-06 LS2 GTO
04-05 LS6 CTS-V
Some common GM LS based trucks 01-07
The item in the photo is the exact item being sold.