hey i was wondering if any one could give me a hand with performance tunes i have a

*2.5" exhaust with extractors and hi flow cats
*ss inductions growler kit

and was wondering what tune to get and what chip and how much they roughly cost and how much power they should gain

Ring and talk to Joe at Cresent Motorsport, he can educate and advise on what is the best route for your car. they are a site sponsor as well.