As DumDum says, any old turbo Jap, bigger turbo, supporting mods (injectors, fuel pump & intercooler at the minimum) and a remap should probably be about as quick as you can get for that money.
Alternatively, chunky V8's: BMW, Merc, Lexus, Jag.
Alternatively, chunky V8's: BMW, Merc, Lexus, Jag.