i want about 250-260 whp with all necceary bolt ons, tuning and about a psi of12-15. what kit should i go with. its is a sc or the new xios coming out for the svt. what do i need to achieve that. ALSO MY FRIEND HAS A STOCK SRT-4 WOULD I STOMP ON HIM WITH 250-260 -WHP- HE HAS 230--BHP-- WITCH IS ABOUT 207 WHP.