Differences in MAF's ... 00 & 01

Anyone out there have any experience with this particular set-up. Callaway makes different units, yrs 97 to 00, and 01 to 04.
I can always try and smooth out the fit between my stock coupler and the LS2 TB...
Any help will be apreciated ......
Okay, an 85mm MAF it will be.
Must decide between SLP's unit or a GM unit for 02 - 04 ZO6. Both are comparable in price and I know the SLP comes with the harness. I don't know if the GM would be plug an play...??





