i just got a new gti 337 and i love it the way it is but i want to make it look way good and way fast nothing to flashy on the outside but under the hood i want it to stand out from anyone else.. i got new suspention and a down pipe. i dont know alot about making it faster i know i have to let it breath better but i dont know of what parts or where to start soo if anyone can help....thanks

oh and price does not matter!!!!!