13s would be nice idk im gonna have to realy debate to myself becus just yesterday my friends ka with just catback beat a stock sr by a car and a half so the kat would be nice but then again idk i think ill just look around and mabye ill find a good deal and take it but for now i think im going to socre some parts for a standard rebuild on a ka and some turbo components thanks alot u guys for the difrent point of views