I am going to get a custom exhaust done i want to go the right size and i plan on getting a stage 2 real soon so what size would be good? I jsut dont know... If i get too big now i dont want my car to be slower until i get my stage

 

2.5" seems to be the best for mild modding. my car has 3" to the stock muffler and its a bit of a dog outa the hole. going to swap it out for a 2.5" .

unless you have a shop that does mandrel bent exaust, just buy a bolt in kit. by the time they bend the pipe, get a resonator and muffler you may aswell have just bought a kit