Hi guys, I´ve got a comet car badge (real car logo) mod pack for you+ one bonus boxster mod. 
It replaces the comet (2,3,4,5,6,7) + carbonizzare logos into the porsche logo.

I started to do real car logo mods, because I had several issues with my downloaded modded cars.
The whole thing has pros and cons. On the one hand, the tuning elements work great and you have much less crashes due to the lower megabyte usage on the road, 
but modding cars have usually much more details and are of course a bit more fun. You alone have to decide which way you wanna go ; o ). 

Installation: 
1. Open OpenIV and enable edit mode.
2. Go to the Grand Theft Auto V folder and search for your vehicles.rpf file, where the comet files are inside and replace them.
My files are/were in the following folders:

comet2.ytd (C:\Games\Grand Theft Auto V\mods\update\x64\dlcpacks\patchday27ng\dlc.rpf\x64\levels\gta5\vehicles.rpf\comet2.ytd)
comet3.ytd (C:\Games\Grand Theft Auto V\update\x64\dlcpacks\mpimportexport\dlc.rpf\x64\levels\gta5\vehicles\mpimportexportvehicles.rpf\comet3.ytd)
comet4.ytd (C:\Games\Grand Theft Auto V\update\x64\dlcpacks\mpchristmas2017\dlc.rpf\x64\levels\gta5\vehicles\mpchristmas2017.rpf\comet4.ytd)
comet5.ytd (C:\Games\Grand Theft Auto V\update\x64\dlcpacks\mpchristmas2017\dlc.rpf\x64\levels\gta5\vehicles\mpchristmas2017.rpf\comet5.ytd)
comet6.ytd (C:\Games\Grand Theft Auto V\update\x64\dlcpacks\mptuner\dlc.rpf\x64\levels\gta5\vehicles\mptuner.rpf\comet6.ytd)
comet7.ytd (C:\Games\Grand Theft Auto V\update\x64\dlcpacks\mpsecurity\dlc1.rpf\x64\levels\gta5\vehicles\mpsecurity.rpf\comet7.ytd)
carbonizzare.ytd (C:\Games\Grand Theft Auto V\mods\x64e.rpf\levels\gta5\vehicles.rpf)

3. Enjoy it.
I´ve got the backup files for you of course too.
All the best, Michael : o )