Hey guys I know this question might've been asked a bunch of times.


But what is the best tune in sums of hp gain for 997.1 gt3 non rs

alsoIrun 93 octane
I've seen vivid racing and Evomsit but not sure which one to get.

Also getting a muffler bypass if that helps .

thanks !

 

If you must tune go to sharkwerks site and read up. They are the only ones I would trust