01 gti
 

My first car was an 01 vw gti, I currently own an Infiniti g35 coupe for daily driving. My GTi has the basics
GIAC 1.3 bar chip
Neuspeed CAI
2.5" cat back
Forge diverter valve

I want to do a custom turbo upgrade but I am having a hard time figuring parts, any help would be great.