hey, well i went to get my exhaust put on today...and well.....im a dumbass. i bought 2 borla pro xs mufflers wit 2.5" inlet and outlet..i thought since im mocing up toa 2.5" exhaust ud need that size mufflers, but nope, i need to get 2.25 inlet. the guy also said that id need to find a 2.5 inch y-pipe..where can i get that? actually...just someone please tell me everythin i need to complete this job. i am gettin the u bend and cat off to. thanks guys.