i have changed to 3.0 block and svt heads in my svt and i have a superchip rjl1,ford racing wires, doble platinum plugs,pro-m racing 65mm maf,kkm intake i want to know wich is the better configuration for my exhaust i know the svt original have 2.25 buth i ear that a 3 will be a lot of difference i have removed the cats and modified a y pipe all with 2.25 with all the experience here in the forum wich is better i planned to buy the headres maybe in 4 or 6 months right now i only want to upograde my exhaust system
3.0 or 2.5 ???
thanks
